The height of stupidity is most clearly demonstrated by the individual who ridicules something he knows nothing about.

You think you have troubles with mathematics . . . I assure you mine are still bigger.

We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.

Show me a satisfied man, and I'll show you a failure.

It is both auspicious and peaceful for people to choose vegetarinism.

The most fundamental question we can ever ask ourselves is whether or not the universe we live in is friendly or hostile.

It is best, it seems to me, to separate one's inner striving from one's trade as far as possible. It is not good when one's daily break is tied to God's special blessing.