Like many intellectuals, he was incapable of saying a simple thing in a simple way.

It is good to rub and polish our brain against that of others.

It's a poor sort of memory that only works backwards.

You have to be smart. The easy days are over.

We all agree that pessimism is a mark of superior intellect.

I not only use all the brains that I have, but all that I can borrow.

The higher the voice the smaller the intellect.

Man becomes man only by his intelligence, but he is man only by his heart.

Man is the most intelligent of the animals - and the most silly.

Intelligence is really a kind of taste: taste in ideas.