God casts the die, not the dice.

I believe in standardizing automobiles, not human beings.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

Is it not better for a man to die for a cause in which he believes, such as peace, than to suffer for a cause in which he does not believe, such as war?

There are moments when one feels free from one's own identification with human limitations and inadequacies. At such moments one imagines that one stands on some spot of a small planet, gazing in amazement at the cold yet profoundly moving beauty of the eternal, the unfathomable; life and death flow into one, and there is neither evolution nor destiny; only Being.

The significant problems we have cannot be solved at the same level of thinking with which we created them.

Assumptions are made and most assumptions are wrong.