Too much is unwholesome.

The thoughts written on the walls of madhouses by their inmates might be worth publicizing.

It is astonishing how much the word infinitely is misused: everything is infinitely more beautiful, infinitely better, etc. The concept must have something pleasing about it, or its misuse could not have become so general.

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.

Sickness is mankind's greatest defect.

The "second sight" possessed by the Highlanders in Scotland is actually a foreknowledge of future events. I believe they possess this gift because they don't wear trousers.

We cannot remember too often that when we observe nature, and especially the ordering of nature, it is always ourselves alone we are observing.