All men are mad in some way or the other;

Men are so inevitably mad that not to be mad would be to give a mad twist to madness.

Men are so necessarily mad, that not to be mad would amount to another form of madness.

A great many men are mad, and no one knows it. They do not know it themselves

Men can be brilliant and strong, they whispered to one another. But men can be mad, as well. And the mad ones can ruin the world.

All men are mad in some way or another, and inasmuch as you deal discreetly with your madmen, so deal with God's madmen too, the rest of the world.

We are all born mad. Some remain so.

People who try hard to do the right thing always seem mad.

He may be mad, but there's method in his madness. There nearly always is method in madness. It's what drives men mad, being methodical.

Madness is the acme of intelligence.

Every man is wise when attacked by a mad dog; fewer when pursued by a mad woman; only the wisest survive when attacked by a mad notion.

Man is certainly stark mad; he cannot make a worm, and yet he will be making gods by dozens.

You have everything but one thing: madness. A man needs a little madness or else - he never dares cut the rope and be free.

Truly it seemed that a great people had gone mad; but it is a fact well known to alienists that you cannot convince a madman of his own condition, and only make him madder by trying.