attach_money Four Ways to Spend Money

person Milton Friedman (1962)

Milton Friedman's framework describing four ways money can be spent, each with different incentives for economy and care about results: (1) Spending your own money on yourself—most economical and c...

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conversation Bullshit Asymmetry Principle

person Alberto Brandolini (2013)

The amount of energy needed to refute false or misleading information (bullshit) is an order of magnitude greater than the effort required to produce it. This principle highlights that it's far eas...

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psychology Dunning-Kruger Effect

person David Dunning & Justin Kruger (1999)

A cognitive bias where people with limited competence or knowledge in a specific domain greatly overestimate their own abilities. The same lack of knowledge or skills that leads to poor performance...

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content_cut Hanlon's Razor

person Robert J. Hanlon (1980)

An adage or rule of thumb that states: 'Never attribute to malice that which is adequately explained by stupidity.' This principle encourages the assumption of good faith and discourages the attrib...

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self_improvement Ikigai

person Japanese Philosophy (2009)

A Japanese concept meaning 'a reason for being' or 'a reason to wake up in the morning.' Ikigai represents the intersection of four fundamental elements: what you love, what you are good at, what t...

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pie_chart The Pareto Principle

person Vilfredo Pareto (1906)

The Pareto Principle, also known as the 80/20 rule, states that for many outcomes, roughly 80% of consequences come from 20% of the causes. This concept originated from Italian economist Vilfredo P...

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wb_sunny The Principle of Optimism

person David Deutsch (2011)

All evils are caused by insufficient knowledge. This principle, articulated by physicist and philosopher David Deutsch, asserts that problems are soluble given the right knowledge, and that what ap...

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schedule Time Preference

person Carl Menger (1871)

The economic principle that individuals value goods and services more highly in the present than in the future, all else being equal. This preference for present over future satisfaction is a funda...

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