The feminist bias is that women are equal to men and the male chauvinist bias is that women are inferior. The unbiased view is that the truth lies somewhere in between.

Reductio ad absurdum, which Euclid loved so much, is one of a mathematicians finest weapons. It is a far finer gambit than any chess play: a chess player may offer the sacrifice of a pawn or even a piece, but a mathematician offers the game.

Any virtue can become a vice if taken to extreme.

The essence of mathematics lies entirely in its freedom.

Initiative comes to thems that wait.