In every man there is something of all men.

If we make a couple of discoveries here and there we need not believe things will go on like this for ever. Just as we hit water when we dig in the earth, so we discover the incomprehensible sooner or later.

A schoolteacher or professor cannot educate individuals, he educates only species.

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.

Sickness is mankind's greatest defect.

The man was such an intellectual he was of almost no use.

Just as the performance of the vilest and most wicked deeds requires spirit and talent, so even the greatest demand a certain insensitivity which under other circumstances we would call stupidity.