“Being able to embrace contradictions is a sign of intelligence.
Or insanity.”

“At a bare minimum, understanding entails being able to detect an internal contradiction: a paradox.”

“Military intelligence is a contradiction in terms.”

“which is better - to be born stupid into an intelligent society or intelligent into an insane one?”

“Five exclamation marks, the sure sign of an insane mind.”

“Beauty is a sign of intelligence.”

“What sign is there more plain
Than self-destruction, of a mind insane?”

“being able to act intelligently and instinctively in the moment is possible only after a long and rigorous of education and experience”

“The invariable sign of doctrines invented by men is confusion, contradiction, absurdity, and obscenity”

“Disinterestedness is as great a puzzle and paradox as ever. Indeed, strictly speaking, it is a species of irrationality, or insanity, as regards the individual’s self; a contradiction of the most essential nature of a sentient being, which is to move to pleasure and from pain”