the.com/rashness

acting first and inventing the reasons later, a coin flip wearing a confidence costume

means The quality of acting hastily or without thinking through the consequences, of charging ahead where caution would be wiser.

from From 'rash,' meaning hasty or reckless, which comes through Middle English and is related to Old High German 'rasc' (hurried, swift) and similar words across the Germanic family — a cousin of the Dutch 'rasch' and Old Norse 'roskr' (brave, vigorous). The thread tying them together is speed: the rash person moves fast, and 'rashness' is simply that speed bottled up as a noun. (No relation, by the way, to the skin 'rash,' which arrived separately, probably from a Romance source meaning to scrape or scratch.)

brain timing
impulse fires before the prefrontal cortex finishes voting
latin roots
from rashe, meaning hasty or quick to act
evolutionary upside
split-second recklessness once outran predators and rivals
dopamine link
impulsivity tracks with reward-chasing neural circuitry
famous flaw
Aristotle named it the vice opposite cowardice
for instance

invasion of iraq 2003 — u.s. launched war based on false intelligence about weapons of mass destruction, destabilizing the region

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