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11. Direct quotes

Rule quotes were checked against the linked page on 2026-10-14, except those for P6 (OECD corporate governance), P38, P53 and P83, re-checked on 2026-10-27 for edition 1.1.1, and case quotes on 2026-10-27. "…" marks text left out. Where the linked page is a copy, the original is named. Quotes for the engineering sources of rules P1–P4, P9–P17, P22–P34, P36–P42, P44–P51, P54–P61, P64–P68, P70–P78 and P80–P83 are given in the rule tables where they decide the evidence rating (for example P75, P34).

Master rule

Rule Sources Direct quote
Master rule (risk appetite) COSO ERM Executive Summary (2017) "The organization defines risk appetite in the context of creating, preserving, and realizing value." (principle 7)
Master rule (tailoring) PMI: PMBOK Guide 8th edition; Purple Griffon: PRINCE2 7th edition principles PMBOK 8: "Tailor for your context" — "Learn how to adapt practices, tools, and techniques to fit your team, organization, and environment." PRINCE2 principle 7: "Tailor to suit the project" (principle name)
Master rule (irreversibility) Amazon 2015 letter to shareholders see P18

Rules from management sources

Rule Sources (primary first) Direct quote
P7 US Army ADP 6-0 Mission Command (2019) Commander's intent: "a clear and concise expression of the purpose of the operation and the desired military end state" (para 1-45). "Mission orders are directives that emphasize to subordinates the results to be attained, not how they are to achieve them." (para 1-53). Principles: "Competence. Mutual trust. Shared understanding. Commander's intent. Mission orders. Disciplined initiative. Risk acceptance." (para 1-26)
P5 Edmondson 1999, Administrative Science Quarterly (copy); Google re:Work: Understand team effectiveness Edmondson: team psychological safety is "a shared belief that the team is safe for interpersonal risk taking"; "learning behavior mediates between team psychological safety and team performance." Google: five dynamics "In order of importance": "Psychological safety", "Dependability", "Structure and clarity", "Meaning", "Impact" (180 teams studied)
P6 G20/OECD Principles of Corporate Governance 2023; OECD Recommendation on Public Procurement: Integrity; ISO 37001 (catalogue page) OECD II.F.2: "Members of the board and key executives should be required to disclose to the board whether they, directly, indirectly" … "have a material interest in any transaction or matter directly affecting the corporation." OECD procurement risk: "Mismanagement of conflict of interest in the public service and in post-public employment"
P8 Kim & Mauborgne: Fair Process (HBR 1997, copy) "Engagement—involving individuals in decisions by inviting their input and encouraging them to challenge one another's ideas." "Explanation—clarifying the thinking behind a final decision." "Expectation clarity—stating the new rules of the game, including performance standards…" "Notice that fair process is not decision by consensus."
P18 Amazon 2015 letter to shareholders (SEC filing) "Some decisions are consequential and irreversible or nearly irreversible – one-way doors –" "these decisions must be made methodically, carefully, slowly, with great deliberation and consultation." "Type 2 decisions can and should be made quickly by high judgment individuals or small groups." "The end result of this is slowness, unthoughtful risk aversion, failure to experiment sufficiently, and consequently diminished invention."
P21 Locke & Latham 2002, American Psychologist (copy); dissent: Deming 14 Points "We found that specific, difficult goals consistently led to higher performance than urging people to do their best." "the combination of goals plus feedback is more effective than goals alone" "on tasks that are complex for people, learning goals can be superior to performance goals". Deming 11(b): "Eliminate management by objective. Eliminate management by numbers, numerical goals. Substitute leadership."
P19 Campbell 1979, Evaluation and Program Planning 2(1): 67–90, doi:10.1016/0149-7189(79)90048-X; Wikipedia: Campbell's law (secondary, quote checked here) "The more any quantitative social indicator is used for social decision-making, the more subject it will be to corruption pressures and the more apt it will be to distort and corrupt the social processes it is intended to monitor."
P20 Staw 1976, Organizational Behavior and Human Performance (copy); Purple Griffon: PRINCE2 principles Staw: "Results showed that persons committed the greatest amount of resources to a previously chosen course of action when they were personally responsible for negative consequences." PRINCE2 (blog wording): "a principle that must persistently endure scrutiny throughout the project's entire lifecycle"
P35 Conway: How Do Committees Invent? (1968) organizations which design systems are "constrained to produce designs which are copies of the communication structures of these organizations." "Ways must be found to reward design managers for keeping their organizations lean and flexible."
P79 FEMA: NIMS 3rd edition (2017) "The optimal span of control for incident management is one supervisor to five subordinates;" "effective incident management frequently necessitates ratios significantly different from this." "The 1:5 ratio is a guideline, and incident personnel use their best judgment"
P43 NIST CSRC Glossary: separation of duty (from NIST SP 800-192) Separation of duty "refers to the principle that no user should be given enough privileges to misuse the system on their own."
P52 Little: Little's Law as Viewed on Its 50th Anniversary (Operations Research 2011, reprint) "the average number of items in a queuing system, denoted L, equals the average arrival rate of items to the system" … "multiplied by the average waiting time of an item in the system". "Note that if λ is prespecified, the only way to reduce inventory (L) is to find a way to reduce average wait/item (W)."
P53 The Jargon File: Brooks's Law (secondary only; primary: Brooks, The Mythical Man-Month, 1975, book, not online) "Adding manpower to a late software project makes it later"
P62 Sackett, Zhang, Berry, Lievens: Revisiting meta-analytic estimates of validity in personnel selection, Journal of Applied Psychology, doi:10.1037/apl0000994 (copy) "Structured interviews emerged as the top-ranked selection procedure." "producing mean validity estimates of .42 for structured interviews and .19 for unstructured interviews."
P63 Kluger & DeNisi 1996, Psychological Bulletin 119(2), doi:10.1037/0033-2909.119.2.254 (abstract page) FIs "improved performance on average (d =.41)" but "over 1/3 of the FIs decreased performance."
P69 Kotter: Leading Change — Why Transformation Efforts Fail (HBR 1995, copy) "Error 4: Undercommunicating the Vision by a Factor of Ten"; "Error 7: Declaring Victory Too Soon"; "the change process goes through a series of phases"; "Skipping steps creates only the illusion of speed"
P6 (engineering) NSPE Ethics Reference Guide II.4.a: "Engineers shall disclose all known or potential conflicts of interest that could influence or appear to influence their judgment or the quality of their services."
P53 (nuance) Reinertsen: Is it always a bad idea to add resources to a late project? (Electronic Design 2000) Brooks: "Oversimplifying outrageously, we state Brooks' Law...." Reinertsen: "add extra resources as early as possible. The later you add them, the lower the payoff."

Management sources for the other rules

Rule Sources Direct quote
P1 ISO: ISO 9001:2026 launch the update "places greater emphasis on leadership, a culture of quality and ethical behaviour."
P2 ADP 6-0; COSO ERM ADP 6-0 principle: "Competence." COSO principle 5: "Attracts, Develops, and Retains Capable Individuals"
P3 PMI: PMBOK Guide 8; ISO 20400; ISO 14001 (catalogue) PMBOK 8 principles: "Adopt a holistic view, focus on value, embed quality, lead accountably, integrate sustainability, and build empowered teams."
P4 Directive (EU) 2019/1937; Deming; Toyota Art. 8(3): "Paragraph 1 shall apply to legal entities in the private sector with 50 or more workers." Recital 88: "A clear legal prohibition of retaliation would have an important dissuasive effect". Deming 8: "Drive out fear, so that everyone may work effectively for the company." Toyota: "the operator can stop the line by pulling the stop cord themselves"
P9 NIMS "The Incident Commander or Unified Command establishes objectives that drive incident operations."
P10 COSO ERM principle 8: "Evaluates Alternative Strategies"
P11 § 239 HGB (dejure.org); GDPR Art. 5 § 239(3) HGB: "Eine Eintragung oder eine Aufzeichnung darf nicht in einer Weise verändert werden, daß der ursprüngliche Inhalt nicht mehr feststellbar ist." (An entry or record must not be changed in a way that makes the original content no longer determinable.) GDPR 5(2): "The controller shall be responsible for, and be able to demonstrate compliance with, paragraph 1"
P12 Flyvbjerg 2006 step 1: "Identification of a relevant reference class of past, similar projects." "inaccuracy in cost forecasts in constant prices is on average 44.7% for rail, 33.8% for bridges and tunnels," "and 20.4% for roads."
P13, P16, P77, P70 (part), P64 (part) COSO ERM principle names: 18 "Leverages Information Systems"; 8 "Evaluates Alternative Strategies"; 16 "Reviews Risk and Performance"; 15 "Assesses Substantial Change"
P14 OECD Due Diligence Guidance "This Guidance helps businesses to understand and implement due diligence for responsible business conduct."
P22 Klein: Performing a Project Premortem (HBR 2007); COSO ERM Klein: "In a premortem, team members assume that the project they are planning has just failed—as so many do—" and "generate plausible reasons for its demise." COSO principle 14: "Develops Portfolio View"
P23 Agile principles "Simplicity--the art of maximizing the amount of work not done--is essential."
P24, P36 GDPR Art. 5 5(1)(e): "kept in a form which permits identification of data subjects for no longer than is necessary" 5(1)(c): "adequate, relevant and limited to what is necessary in relation to the purposes for which they are processed"
P25 Google re:Work dynamic 3: "Structure and clarity"
P28 WHO/ILO 2021; Pencavel 2014; Agile principles WHO/ILO: "working 55 or more hours per week is associated with an estimated 35% higher risk of a stroke" and "a 17% higher risk of dying from ischemic heart disease, compared to working 35-40 hours a week". Pencavel: "below an hours threshold, output is proportional to hours;" "above a threshold, output rises at a decreasing rate as hours increase." Agile 8: "The sponsors, developers, and users should be able to maintain a constant pace indefinitely."
P30, P37, P41, P76, P71 NIMS "Unity of command means that each individual only reports to one person." Management characteristics include "Modular Organization", "Integrated Communications", "Establishment and Transfer of Command". "IAPs represent concise, coherent means of capturing and communicating incident objectives, tactics, and assignments"
P31 Kohavi & Thomke 2017 "At Google and Bing, only about 10% to 20% of experiments generate positive results." At Microsoft, "one-third prove effective, one-third have neutral results, and one-third have negative results."
P32, P39, P55 Deming 14 Points 9: "Break down barriers between departments." 3: "Cease dependence on inspection to achieve quality." "Eliminate the need for inspection on a mass basis by building quality into the product in the first place."
P38 Auditor Training Online: ISO 45001 clause 8.1.2 (secondary; ISO text is paid) "The organization shall establish, implement and maintain a process(es) for the elimination of hazards and reduction of OH&S risks using the following hierarchy of controls: a) eliminate the hazard; b) substitute with less hazardous processes, operations, materials or equipment; c) use engineering controls and reorganization of work; d) use administrative controls, including training; e) use adequate personal protective equipment." (clause 8.1.2 as reproduced in the article)
P40, P56, P26 IIA Three Lines Model (2020) "However, responsibility for managing risk remains a part of first line roles and within the scope of management." "Internal audit's independence from the responsibilities of management is critical to its objectivity, authority, and credibility." "It achieves this through the competent application of systematic and disciplined processes, expertise, and insight."
P56 (external) EU 537/2014 Art. 17 "…nor this in combination with any renewed engagements therewith shall exceed a maximum duration of 10 years." "The key audit partners responsible for carrying out a statutory audit shall cease their participation" "in the statutory audit of the audited entity not later than seven years from the date of their appointment."
P56 (red team), P46 UK MoD Red Teaming Handbook red teaming is "the independent application of a range of structured, creative and critical thinking techniques" "to assist the end user make a better-informed decision or produce a more robust product."
P45, P58 ISO TC 260: People power ISO/TS 30433 "describes the elements of succession planning metrics and provides comparable measures to report on them."
P44, P52 Little 2011 (reprint) see P52
P47, P73 BCI GPG 2018 with ISO 22301:2019 definitions MTPD: "the time frame within which the impacts of not resuming activities would become unacceptable to the organization". RTO: "prioritized time frames as set within the time identified in MTPD" "for resuming disrupted activities at a specified minimum acceptable capacity"
P48, P66 Scrum Guide 2020 "No changes are made that would endanger the Sprint Goal;" "Only the Product Owner has the authority to cancel the Sprint."
P49 Parkinson 1955 (text copy; original in The Economist, November 1955) "It is a commonplace observation that work expands so as to fill the time available for its completion."
P51 Lee, Padmanabhan, Whang 1997 "Sell-through data and information on inventory status at downstream nodes are keys to improving channel coordination"
P54, P65, P68, P75, P30 Purple Griffon: PRINCE2 7th edition principles (secondary; the official manual is paid) principle names: "Ensure continued business justification", "Manage by stages", "Manage by exception", "Define roles, responsibilities, and relationships". On exceptions: "These exceptions are promptly escalated to the subsequent management tier"
P65 DORA: Working in small batches "Working in small batches is an essential principle in any discipline where feedback loops are important," "or you want to learn quickly from your decisions."
P76 Mark, Gudith, Klocke 2008 "people compensate for interruptions by working faster" "experiencing more stress, higher frustration, time pressure and effort"
P80 US Army: Foundations of the AAR Process (DTIC), quoting TC 25-20 (1993) an AAR "is a professional discussion of an event, focused on performance standards," that "enables soldiers to discover for themselves what happened, why it happened, and how to sustain strengths and improve on weaknesses". Table 3: "Minimizing 'finger-pointing'"
P81 Agile principles; Scrum Guide Agile 12: "At regular intervals, the team reflects on how to become more effective, then tunes and adjusts its behavior accordingly." Scrum: "transparency, inspection, and adaptation"
P82 CAIB report summary "the NASA organizational culture had as much to do with the accident as the foam that struck the Orbiter on ascent."
P83 Sedona Commentary on Legal Holds, 2nd ed. Guideline 1: "A reasonable anticipation of litigation arises when an organization is on notice of a credible probability that it will become involved in litigation, seriously contemplates initiating litigation, or when it takes specific actions to commence litigation."
P70 (go and see) Wikipedia: Genchi Genbutsu (secondary only) no quote checked
P15, P27, P29, P34, P72, P74 cross-reference only no management source found
P50, P67 section 9 sources (theory of constraints, critical path method); ISO 21502:2020 no new quote
P17, P33, P61, P59, P60, P78, P57 ISO catalogue pages listed in sections 4 and 10; for P61, the ASME page in section 9 catalogue pages give titles and summaries only; no requirement text quoted