No man should leave in the universe anything of which he is afraid.

Only poor men get hanged.

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

Every remedy is a desperate remedy. Every cure is a miraculous cure. Curing a madman is not arguing with a philosopher; it is casting out a devil.

I need not pause to explain that crime is not a disease. It is criminology that is a disease.

Nobody notices postmen, yet they have passions like other men.

That all war is physically frightful is obvious; but if that were a moral verdict, there would be no difference between a torturer and a surgeon. There are certain intellectuals who are too bright to be content with merely praising peace but who are infuriated by anybody praising war. If no war is possible, all criminality has its chance