To have security against atomic bombs and against the other biological weapons, we have to prevent war, for if we cannot prevent war every nation will use every means that is at their disposal; and in spite of all promises they make, they will do it. At the same time, so long as war is not prevented, all the governments of the nations have to prepare for war, and if you have to prepare for war, then you are in a state where you cannot abolish war.

Ninety nine failed solutions equals a gain of 99 pieces of information.

In the middle of adversity there is great opportunity.

Past is dead Future is uncertain; Present is all you have, So eat, drink and live merry.

Opinions about obviousness are to a certain extent a function of time.

The world is an evil place to live in. Not for those who do evil, but for those who sit back and allow evil to occur.

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.