People are constantly clamoring for the joy of life. As for me, I find the joy of life in the hard and cruel battle of life - to learn something is a joy to me.

Any programming language is at its best before it is implemented and used. Anything is possible, anything can happen. On a flimsy ground of reality, imagination spins marvelous patterns.

The world, life and human beings are only an illusion, a phantom, a dream image.

I do not care about my own appearance, but I would hope that people could see into my soul, and that is presented better in these photographs than in others. (On his self-portraits)

When is revolution legal? When it succeeds!

Friendship can only exist between persons with similar interests and points of view. Man and woman by the conventions of society are born with different interests and different points of view.

Happiness consumes itself like a flame. It cannot burn for ever, it must go out, and the presentiment of its end destroys it at its very peak.