Nothing incites to money-crimes like great poverty or great wealth.

His money is twice tainted: taint yours and taint mine.

The true charm of pedestrians does not lie in the walking, or in the scenery, but in the talking.

Clothes make the man. Naked people have little or no influence on society. You cannot depend on your eyes when your imagination is out of focus. As in the words of Wayne Dyer, when you change the way you look at things, the things you look at change. Sometimes to know with certainty that a particular thing is "true", will actually be the very thing that keeps you from attaining the things you seek to achieve.

Seventy is old enough. After that there is too much risk.

That is the way of the scientist. He will spend thirty years in building up a mountain range of facts with the intent to prove a certain theory; then he is so happy with his achievement that as a rule he overlooks the main chief fact of all-that all his accumulation proves an entirely different thing.

Man is the only animal that is cruel. It kills just for the sake of it.