Memory is a drug. Memory can hold you against your strength and against your will.

No human pursuit achieves dignity unless it can be called work, and when you can experience a physical loneliness for the tools of your trade, you see that the other things - the experiments, the irrelevant vocations, the vanities you used to hold - were false to you.

If a man has any greatness in him, it comes to light, not in one flamboyant hour, but in the ledger of his daily work.

I know animals more gallant than the African warthog, but none more courageous. He is the peasant of the plains - the drab and dowdy digger in the earth. He is the uncomely but intrepid defender of family, home, and bourgeois convention, and he will fight anything of any size that intrudes upon his smug existence. ... His eyes are small and lightless and capable of but one expression - suspicion. What he does not understand, he suspects, and what he suspects, he fights.

A word grows to a thought – a thought to an idea – an idea to an act. The change is slow, and the Present is a sluggish traveler loafing in the path Tomorrow wants to take.

There's an old adage," he said, "translated from the ancient Coptic, that contains all the wisdom of the ages -- "Life is life and fun is fun, but it's all so quiet when the goldfish die.

To see ten thousand animals untamed and not branded with the symbols of human commerce is like scaling an unconquered mountain for the first time, or like finding a forest without roads or footpaths, or the blemish of an axe. You know then what you had always been told -- that the world once lived and grew without adding machines and newsprint and brick-walled streets and the tyranny of clocks.