Daily question, August 25, 2026
Politics
In the long run we are all dead.
Source: John Maynard Keynes, A Tract on Monetary Reform
Challenges the idea that policy should wait for markets to self-correct rather than act on present hardship.
Mathematics
Mathematics is the art of giving the same name to different things.
Source: Henri Poincare, Science and Method
Poincare meant this as praise: spotting one structure inside many different problems is what abstraction is for.
Physics
I think I can safely say that nobody understands quantum mechanics.
Source: Richard Feynman, The Character of Physical Law, 1965
Said by one of the theory's most fluent practitioners; the predictions work perfectly, the meaning remains disputed.
Psychology
Ordinary people, simply doing their jobs, and without any particular hostility on their part, can become agents in a terrible destructive process.
Source: Stanley Milgram, Obedience to Authority
Milgram's obedience experiments still mostly replicate, which is part of why this line is harder to dismiss than most psychology quotes.
Philosophy
What does not kill me makes me stronger.
Source: Nietzsche, Twilight of the Idols
Nietzsche wrote it as one line in a book of aphorisms, not as the complete philosophy it later became a slogan for.
Biology
Man still bears in his bodily frame the indelible stamp of his lowly origin.
Source: Charles Darwin, The Descent of Man
The book's closing line, placing human anatomy inside the same ancestry as every other animal rather than apart from it.
