„Teach thy tongue to say, “I do not know,” and thous shalt progress.”

We are made of starstuff.

A person will sometimes devote all his life to the development of one part of his body—the wishbone.

„Remember that not getting what you want is sometimes a wonderful stroke of luck.”

Gratitude is riches. Complaint is poverty.

There is no great genius without a mixture of madness.

The powers of the mind are like the rays of the sun when they are concentrated they illumine.