“The most expensive habit in the world is celluloid, not heroin, and I need a fix every few years.”
Time, 1979
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Steven Spielberg 18
American film director, screenwriter, producer, video game … 1946Related quotes

Rules of the Game: The Style Diaries (2007)
Context: What most of us present to the world isn’t necessarily our true self: It’s a combination of years of bad habits and fear-based behavior. Our real self lies buried underneath all the insecurities and inhibitions. So rather than just being yourself, focus on discovering and permanently bringing to the surface your best self.

Drucker cited in: William White (1981) Library journal. Volume 106, Nr 1-12. p. 1048
1960s - 1980s

Source: Free to Choose (1980), Ch. 1 "The Power of the Market", page 13
Context: The key insight of Adam Smith's Wealth of Nations is misleadingly simple: if an exchange between two parties is voluntary, it will not take place unless both believe they will benefit from it. Most economic fallacies derive from the neglect of this simple insight, from the tendency to assume that there is a fixed pie, that one party can gain only at the expense of another.

“Look round the habitable world: how few
Know their own good, or knowing it, pursue.”
Juvenal, Satire X (1693), lines 1–2.

Source: A spiral model of software development and enhancement. (1988), p. 61-62

“Good habits, imperceptibly fixed, are far preferable to the precepts of reason”
Original Stories from Real Life; with Conversations Calculated to Regulate the Affections, and Form the Mind to Truth and Goodness (1788; 1791)
Context: Good habits, imperceptibly fixed, are far preferable to the precepts of reason; but, as this task requires more judgment than generally falls to the lot of parents, substitutes must be sought for, and medicines given, when regimen would have answered the purpose much better. I believe those who examine their own minds, will readily agree with me, that reason, with difficulty, conquers settled habits, even when it is arrived at some degree of maturity: why then do we suffer children to be bound with fetters, which their half-formed faculties cannot break.
In writing the following work, I aim at perspicuity and simplicity of style; and try to avoid those unmeaning compliments, which slip from the tongue, but have not the least connexion with the affections that should warm the heart, and animate the conduct. By this false politeness, sincerity is sacrificed, and truth violated; and thus artificial manners are necessarily taught. For true politeness is a polish, not a varnish; and should rather be acquired by observation than admonition.