Mathematics, rightly viewed, possesses not only truth, but supreme beauty-a beauty cold and austere ... yet sublimely pure and capable of stern perfection such as only the greatest art can show.

Hitler is an outcome of Rousseau.

If a Black Death could be spread throughout the world once in every generation survivors could procreate freely without making the world too full.

Many a marriage hardly differs from prostitution, except being harder to escape from.

I do so hate to leave this world.

But courage in fighting is by no means the only form, nor perhaps even the most important. There is courage in facing poverty, courage in facing derision, courage in facing the hostility of one's own herd. In these, the bravest soldiers are often lamentably deficient. And above all there is the courage to think calmly and rationally in the face of danger, and to control the impulse of panic fear or panic rage.

I am allowed to use plain English because everybody knows that I could use mathematical logic if I chose.