The final test of a leader is that he leaves behind him in other men the conviction and will to carry on.

How bold one gets when one is sure of being loved!

How many have been frozen gored starved or blown apart by Hitler, LBJ, Genghis Khan, Churchill, or Bonaparte?

My biological work convinced me that the One who was declared dead by Nietzsche, and silent by Sartre, actually is very much alive and speaking to us through all things.

Whoe'er has travel'd life's dull round, Where'er his stages may have been, May sigh to think he still has found The warmest welcome, at an inn.

The law is above the law, you know.

Arts and sciences are not cast in a mould, but are found and perfected by degrees, by often handling and polishing, as bears leisurely lick their clubs into shape.

People with true character show it when nobody else is present.

A mathematician is a device for turning coffee into theorems.

Et tu, Brute!

The more we exploit nature, The more our options are reduced, until we have only one: to fight for survival.

Yet through delivery orators succeed, I feel that I am far behind indeed.

If it will feed nothing else, it will feed my revenge. -The Merchant of Venice. Act iii. Sc. 1.

To a valet no man is a hero.

The purpose of art is to lay bare the questions which have been hidden by the answers.

You measure a government by how few people need help.

There is nothing so aggravating as a fresh boy who is too old to ignore and too young to kick.

Go ahead, just tear my heart right out of my chest.

Just try explaining the value of statistical summaries to the widow of the man who drowned crossing a stream with an average depth of four feet.

Nature teaches more than she preaches. There are no sermons in stones. It is easier to get a spark out of a stone than a moral.