The sane man knows that he has a touch of the beast, a touch of the devil, a touch of the saint, a touch of the citizen. The really sane man knows that he has a touch of the madman.

Are you a devil?"
"I am a man," answered Father Brown gravely; "and therefore have all devils in my heart.

Mr Shaw is (I suspect) the only man on earth who has never written any poetry.

The man who sees consistency in things is a wit; the man who sees the inconsistency in things is a humorist.

The lunatic is the man who lives in a small world but thinks it is a large one; he is the man who lives in a tenth of the truth, and thinks it is the whole. The madman cannot conceive any cosmos outside a certain tale or conspiracy or vision.

We men and women are all in the same boat, upon a stormy sea. We owe to each other a terrible and tragic loyalty.