O, Youth: Do you know that yours is not the first generation to yearn for a life full of beauty and freedom?

Chess holds its master in its own bonds, shackling the mind and brain so that the inner freedom of the very strongest must suffer.

Outer changes always begin with an inner change of attitude.

Many a young lady does not realize just how strong her love for a young man is until he fails to pass the approval test with her parents. There is no fear in love; but perfect love casteth out fear. Of all forms of caution, caution in love is the most fatal. There are only two truly infinite things, the universe and stupidity. And I am unsure about the universe.

He who has never been deceived by a lie does not know the meaning of bliss.

Experience is knowledge. All the rest is information.

I cannot seriously believe in it [quantum theory] because the theory cannot be reconciled with the idea that physics should represent a reality in time and space, free from spooky actions at a distance [spukhafte Fernwirkungen].