Whether science-and indeed civilization in general-can long survive depends upon psychology, that — Bertrand Russell
Only mathematics and mathematical logic can say as little as the physicist means to say. — Bertrand Russell
Morality in sexual relations, when it is free from superstition, consists essentially — Bertrand Russell
The rules of logic are to mathematics what those of structure are to architecture. — Bertrand Russell
I believe four ingredients are necessary for happiness: health, warm personal relations, — Bertrand Russell