A madman and an arahant both smile, but the arahant knows why while the madman doesn't.

I am very active, ... I like to ride horses. I golf. I perform onstage. I am a madman onstage.

Every madman considers everyone else a madman.

Being mad is even pleasant. But only a madman understands that.

Would Alexander, madman as he was, have been so much a madman, had it not been for Homer?

When a madman appears thoroughly sane, indeed, it is high time to put him in a straight jacket.

For virtue's self may too much zeal be had; the worst of madmen is a saint run mad.

To be joyous is to be a madman in a world of sad ghosts.

There are very few really brilliant men who have not had at least one madman among their ancestors.

The fellow is either a madman or a poet.