the.com/arrogance

confidence that skipped the part where you check if you're right.

means An offensive, exaggerated sense of one's own importance or abilities, paired with contempt for others.

from From Latin 'arrogare,' to claim for oneself — built from 'ad-' (to) plus 'rogare' (to ask). The literal sense is to ask something toward yourself, to lay claim to a thing as if it were owed. Over time the claiming hardened into presuming, and the word arrived in English through Old French 'arrogance' carrying that same flavor: grabbing for status nobody granted you.

etymology
from Latin meaning to claim for oneself
dunning-kruger
the less you know, the more sure you feel
power effect
power literally reduces brain empathy responses
survival cost
overconfident leaders lose wars they could've won
for instance

kanye west — rapper who declared himself a god in 2013 and has consistently made grandiose claims about his genius

elon musk — tesla ceo who has repeatedly stated he's smarter than actual engineers and dismisses critics as incompetent

donald trump — former us president who calls himself a stable genius and claims to know more than generals and experts

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