Ours is the age that is proud of machines that think and suspicious of men who try to.

Do not judge men by mere appearances; for the light laughter that bubbles on the lip often mantles over the depths of sadness, and the serious look may be the sober veil that covers a divine peace and joy.

Never try to tell everything you know. It may take too short a time.

An intelligence test sometimes shows a man how smart he would have been not to have taken it.

An intellectual is a man who takes more words than necessary to tell more than he knows.

It is impossible to defeat an ignorant man in argument.

The incompetent with nothing to do can still make a mess of it.

Since we cannot know all that there is to be known about anything, we ought to know a little about everything.

Only dull people are brilliant at breakfast.

There is much pleasure to be gained from useless knowledge.