Nothing worth learning can ever be taught

Education is very admirable but let us not forget that anything worth knowing cannot be taught.

The only difference between a caprice and a lifelong passion is that the caprice lasts a little longer.

Be warned in time, James, and remain, as I do, incomprehensible: to be great is to be misunderstood.

In modern life nothing produces such an effect as a good platitude. It makes the whole world kin.

I beg your pardon I didn't recognise you - I've changed a lot.

Don't tell me that you have exhausted Life. When a man says that, one knows that life has exhausted him.