Nothing puts a greater obstacle in the way of the progress of knowledge than thinking that one knows what one does not yet know.

Whenever he composes a critical review, I have been told, he gets an enormous erection.

The book which most deserved to be banned would be a catalog of banned books.

If people should ever start to do only what is necessary millions would die of hunger.

Nothing reveals a man's character better than the kind of joke at which he takes offense.

It is a great shame; most of our words are misused tools / which often still smell of the mud in which previous owners / desecrated them.

After all, is our idea of God anything more than personified incomprehensibility?