People, books, and breakthrough ideas—connected to the mental models and moves you can use.
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Add up everything the choice costs beyond its sticker price and its performance: moving your existing material in, checking its output, keeping it working, getting stuck inside it, cleaning up when it breaks, and the skill you stop practicing.
Planned reduction of training volume (40-60%) while maintaining intensity in the 1-3 weeks before competition, allowing full recovery and supercompensation
Check the destination itself before anything else. Is the number you are steering toward still the right one, set recently enough to reflect current conditions, and a real proxy for what the business needs? A wrong destination makes perfect steering useless.
Keep the verb you already had and swap what or whom it lands on. You are not changing what you do, only the object, place, or person receiving it. Ask: same activity, aimed somewhere else entirely, who or what else could it point at?
A specified future condition you intend to reach and recognize by a deadline.
Tawakkul is the Islamic concept of placing complete trust in God's plan while simultaneously exerting maximum personal effort -- a paradox that resolves into a sophisticated psychology of action
Tax-advantaged thinking evaluates every financial decision through its tax impact, recognizing that tax efficiency often matters more than gross return
Tazkiyah is the Islamic practice of self-purification and character development rooted in the Quranic verse 91:9: 'Successful is the one who purifies the self.' Unlike Western self-improvement's focus on adding capabilit…
Before trusting a handoff, ask the receiver to explain the result, assumptions, and exceptions in their own words.
The protege effect demonstrates that teaching material to others produces deeper understanding and better retention than studying for personal use
Transfer—applying knowledge from one context to new ones—is education's ultimate goal and persistent failure
Peter Senge's discipline where the intelligence of the team exceeds the intelligence of any individual through aligned, skillful conversation
Complementary problem-solving approaches can help a team escape shared local obstacles
The implied cost of additional rework caused by choosing an easy (limited) solution now instead of using a better approach that would take longer
Technical debt—shortcuts and workarounds in technology systems—compounds like financial debt
The compounding effect where each technical improvement makes the next improvement easier—better tools enable better tools, better data enables better models, better infrastructure enables faster iteration
The technology adoption lifecycle uses idealized categories of relative adoption timing, drawing on Rogers's diffusion work
Technology ethics examines who bears moral responsibility when technological systems cause harm, especially when those systems are too complex for any individual to fully understand or control
Technology half-life is the time for a tool or skill to lose half its practical value
TRLs provide a 9-point scale for evaluating technology maturity, from TRL 1 (basic principles observed) to TRL 9 (proven in operational environment)
Telomeres are protective caps on chromosome ends that shorten with each cell division, functioning as a biological aging clock
The cognitive tendency to value immediate rewards more than future rewards of equal or greater value
Temptation bundling, developed by Katherine Milkman at Wharton, pairs an immediately gratifying activity with a beneficial but less enjoyable behavior
A self-regulation protocol developed by behavioral economist Katy Milkman that pairs an activity you SHOULD do but don't want to with an activity you WANT to do but feel guilty about