Mental Model
Perfect Is the Enemy of Good
Voltaire's principle: pursuing perfection often prevents delivering anything at all
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Mental Model
Perfectionism Paralysis
The failure pattern where the standard required to begin or complete work exceeds what's achievable, resulting in chronic non-completion, procrastination, or never starting
Mental Model
Performance
In creative and communicative arts, performance is the element that transforms content from static to dynamic—the live, embodied delivery that adds interpretation, energy, timing, and presence to written or planned mater…
Mental Model
Performance Debrief Structure (Extracting Learning from Experience)
A systematic post-performance review: (1) re-establish objectives and standards, (2) performer self-assesses first, (3) identify critical outcome-determining moments, (4) diagnose root causes (knowledge, skill, or decisi…
Cognitive Move
Performance objective
Names a specific result you commit to hitting by a date. It fits only when you already know the mechanism that produces the result, so the gap is execution and effort, not missing knowledge.
Mental Model
Performance Review Conversation Structure
A protocol for conducting effective performance reviews that actually improve performance
Cognitive Move
Periodic check that the practice still serves its purpose
Set a date in advance to ask whether the practice is still delivering the quality you named, or has quietly become attendance you log. If it has drifted, you change or retire it rather than keep showing up out of habit.
Mental Model
Periodization (Training Cycle Design)
Systematic planning of training into phases manipulating volume, intensity, exercise selection, and recovery to produce peak performance at specific times
Mental Model
Permaculture Design Principles (Mollison/Holmgren)
Permaculture is a design system for sustainable human settlements based on natural ecosystem patterns
Cognitive Move
Permission
Some doors are closed by rules, not by ability. This asset is the formal yes that lets you act: a license, clearance, certification, visa, or written sign-off. You can already do the work; you lack the standing to be allowed.
Cognitive Move
Permission for seasonal variation
Decide in advance which stretches of the year the practice will shrink, pause, or change shape, and say so out loud. Naming those stretches keeps a busy month from reading as proof you have abandoned the practice.
Cognitive Move
Permitted tradeoffs or partial ordering
Say out loud which dimensions may be traded against each other and at what rate, and where you simply refuse to rank. Some pairs stay incomparable, and admitting that beats fusing everything into one score nobody agreed to.
Mental Model
Permutations and Combinations
Permutations count ordered arrangements and combinations count unordered selections under specified repetition and distinguishability rules
Mental Model
Perpetual Beta (Always Updating)
The mindset of treating your beliefs, strategies, products, and self-concept as permanently provisional—always subject to revision with new evidence
Mental Model
Perpetual Beta Mindset for Tool Mastery
The perpetual beta mindset treats every tool as permanently improvable rather than 'set up and done.' Modern software updates continuously, yet most users learn a tool once and never update usage patterns
Mental Model
Perpetual Problems vs. Solvable Problems
The distinction separates practical problems that can be settled from recurring differences that may require ongoing negotiation and accommodation.
Mental Model
Persian Messenger Syndrome
The tendency to punish the bearer of bad news, named after the ancient Persian practice of killing messengers who brought news of military defeat
Cognitive Move
Persistent
Durable artifacts like notes, ledgers, and databases carry state so it stays current and retrievable over time.
Cognitive Move
Person to Handoff
When blame lands on an individual in coordinated work, look instead at the handoff or interface nearest the failure.
Mental Model
Personal Board of Directors
Like companies with governing boards, individuals benefit from assembling 5-7 deliberately chosen advisors covering key professional domains
Mental Model
Personal Crisis Triage Protocol
A decision-making framework for the first 24-72 hours of a personal crisis — job loss, relationship breakdown, health diagnosis, financial shock, or death of a loved one — when emotional overwhelm impairs normal decision…
Mental Model
Personal Mastery
Peter Senge's first learning discipline: the practice of continuously clarifying and deepening personal vision, focusing energy, developing patience, and seeing reality objectively
Mental Model
Personal Monopoly
A personal monopoly is a unique intersection of skills, knowledge, personality, and perspective that only you occupy
Mental Model
Personal Threat Model
A personal threat model assesses what you're protecting (assets), who might want it (adversaries), how they might get it (attack vectors), consequences of compromise (impact), and proportionate protections (countermeasur…