Without the gift of flowers and the infinite diversity of their fruits, man and bird, if they had continued to exist at all, would be today unrecognizable.

The creative element in the mind of man . . . emerges in as mysterious a fashion as those elementary particles which leap into momentary existence in great cyclotrons, only to vanish again like infinitesimal ghosts.

Fire, as we have learned to our cost, has an insatiable hunger to be fed. It is a nonliving force that can even locomote itself.

I once saw, on a flower pot in my own living room, the efforts of a field mouse to build a remembered field. I have lived to see this episode repeated in a thousand guises, and since I have spent a large portion of my life in the shade of a nonexistent tree I think I am entitled to speak for the field mouse.

In the desert, an old monk had once advised a traveler, the voices of God and the Devil are scarcely distinguishable.

At the core of the universe, the face of God wears a smile

When man becomes greater than nature, nature, which gave him birth, will respond.