Compounding is the 8th wonder of the world.

An expert is a person who has few new ideas; a beginner is a person with many.

The step between genius and insanity is very short.

For science can only ascertain what is, but not what should be, and outside of its domain value judgments of all kinds remain necessary. Religion, on the other hand, deals only with evaluations of human thought and action: it cannot justifiably speak of facts and relationships between facts.

Let me tell you what I look like: pale face, long hair, and a tiny start of a paunch. In addition, an awkward gait, and a cigar in the mouth and a pen in pocket or hand.

The value of a man should be seen in what he gives and not in what he is able to receive.

Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.