There is nothing more beautiful in this world than a healthy, wise old man.

Besides the noble art of getting things done, there is the noble art of leaving things undone. The wisdom of life consists in the elimination of non-essentials.

Only he who handles his ideas lightly is master of his ideas, and only he who is master of his ideas is not enslaved by them.

There are no books in this world that everybody must read, but only books that a person must read at a certain time in a given place under given circumstances and at a given period of his life.

It is not so much what you believe in that matters, as the way in which you believe it and proceed to translate that belief into action.

Neckties strangle clear thinking.

The end of living is the true enjoyment of it.