We are obliged to place ourselves on the level of our age before we can rise above it.

Paper money eventually returns to its intrinsic value - zero.

Men argue. Nature acts.

The biggest reward for a thing well done is to have done it.

Now is not the time for making new enemies.

There is a pleasure in not being pleased.

The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity.