This I conceive to be the chemical function of humor: to change the character of our thought.

No one realizes how beautiful it is to travel until he comes home and rests his head on his old, familiar pillow.

Of all the unhappy people in the world, the unhappiest are those who have not found something they want to do.

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 important that man dreams, but it is perhaps equally important that he can laugh at his own dreams.

The history omankind seems like kite flying; sometimes, when the wind is favorable, we let go the string a little and the kite soars a little higher; sometimes the wind is too rough and we have to lower it a little, and sometimes it gets caught among the tree branches; but to reach the upper strata of pure bliss-ah, perhaps never.

Simplicity is the outward sign and symbol of depth of thought.