Private information is practically the source of every large modern fortune.

I have grown tired of the articulate utterances of men and things. The Mystical in Art, the Mystical in Life, the Mystical in Nature this is what I am looking for. It is absolutely necessary for me to find it somewhere.

Art, like Nature, has her monsters, things of bestial shape and with hideous voices.

The typewriting machine, when played with expression, is no more annoying than the piano when played by a sister or near relation.

Other people are quite dreadful. The only possible society is oneself.

The greatest of all sins is stupidity.

One should never make one's entrance with a scandal. One should reserve that to give an interest to one's old age.