The old believe everything, the middle-aged suspect everything, the young know everything.

A man who does not think for himself does not think at all. It is grossly selfish to require of one's neighbour that he should think in the same way, and hold the same opinions. Why should he? If he can think, he will probably think differently. If he cannot think, it is monstrous to require thought of any kind from him.

As for omens, there is no such thing as an omen. Destiny does not send us heralds. She is too wise or too cruel for that.

Ah, on what little things does happiness depend! I have read all that the wise men have written, and all the secrets of philosophy are mine, yet for want of a red rose is my life made wretched.

The husbands of very beautiful women belong to the criminal classes.

I'm so smart, I read and understand Hegel

But beauty, real beauty, ends where an intellectual expression begins. Intellect is in itself a mode of exaggeration, and destroys the harmony of any face.