The artist worthy of the name is one who cultivates a ‘hatred of sentiment, of sensibility, of finer feelings, a hatred for what is inconstant, changeable, vague, superstitious…

— Luc Ferry, A Brief History of Thought

The evidence is clear and overwhelming that both the detection of deception and often its propagation have been major forces favoring the evolution of intelligence.

— Robert Trivers, The Folly of Fools

…nothing is more dangerous than an idea, especially if you feel it’s the only idea you have.

— Gerald M. Weinberg, Fiona Charles, Keats Kirsch, Dani Weinberg, and Earl Everett, Weinberg on Writing

In mathematics, the art of proposing a question must be held of higher value than solving it.

— Haim Shapira, Eight Lessons on Infinity

Depression is fundamentally a pathological sense of loss of control (explaining the classic description of depression as “learned helplessness”).

— Robert M. Sapolsky, Behave