He who is in love with himself has at least this advantage - he won't encounter many rivals.

The highest level than can be reached by a mediocre but experienced mind is a talent for uncovering the weaknesses of those greater than itself.

You believe I run after the strange because I do not know the beautiful; no, it is because you do not know the beautiful that I seek the strange.

The pleasures of the imagination are as it were only drawings and models which are played with by poor people who cannot afford the real thing.

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.

There is no greater impediment to progress in the sciences than the desire to see it take place too quickly.

The most entertaining surface on earth is the human face.