I am mad, I think. I am mad therefore I think. I am mad therefore I think I am.

You shall know the truth and the truth shall make you mad.

Ye shall know the truth and the truth shall make you mad.

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

It is not doubt but certainty that drives you mad...

To obtain a man's opinion of you, make him mad.

Madness breeds madness.

No, brother, I'm sane. What drives people crazy is trying to live outside reality. Reality is terrible. It can kill you. Given time, it certainly will kill you. The reality is pain- you said that! But it's the lies, the evasions of reality, that drive you crazy. It's the lies that make you want to kill yourself.

The problem is that most people, most of the time, are desperate to believe ridiculous and divisive ideas for patently emotional reasons,and while rarely explicit what they're really worried about is death

Men will always be mad, and those who think they can cure them are the maddest of all.

TRUE! — nervous — very, very dreadfully nervous I had been and am; but why will you say that I am mad?

Don’t be afraid to make people mad. Your honesty will inspire your true followers. I piss off tons of people every day.

I’ve known a lot of people go mad over the years, and it is more distressing than people dying. People dying is quite natural, people going mad is the complete antithesis of that.

True! - nervous - very, very nervous I had been and am; but why will you say that I am mad?