The construction of the universe is certainly very much easier to explain than is that of the plant.

The fly that doesn't want to be swatted is most secure when it lights on the fly-swatter.

A vacuum of ideas affects people differently than a vacuum of air, otherwise readers of books would be constantly collapsing.

There are people who think that everything one does with a serious face is sensible.

There is a great difference between believing in something and believing in it again.

Prejudices are so to speak the mechanical instincts of men: through their prejudices they do without any effort many things they would find too difficult to think through to the point of resolving to do them.

The writer who cannot sometimes throw away a thought about which another man would have written dissertations, without worry whether or not the reader will find it, will never become a great writer.