All sin is a form of insanity. Satan is the most insane…

“Those who consume interest cannot stand except as one stands who is being beaten by Satan into insanity.”

— Anonymous

Not everyone is capable of madness; and of those lucky enough to be capable, not many have the courage for it.

— August Strindberg

A sane man often reasons from sound premises; an insane man commonly reasons as well, but the premises are unsound.

— Austin O'Malley

Lots of people say if you dredge too much stuff up, you'll go crazy - "You'll go insane!" But for a comedian, insanity is…

— Jim Carrey

If he were insane, however, his was a very cool and collected insanity.

— Charlotte Bronte

Anger is a choice, as well as a habit. It is a learned reaction to frustration, in which you behave in ways that you…

— Wayne Dyer

“The feeling of joy came up in me again the way the lyric of a song might remind a man on the edge of…

— Norman Mailer

Honesty is such a lonely word. Everyone is so untrue...

— Billy Joel

By far the greater part of violence that humans inflicted on each other is not the work of criminals or mentally deranged, but of…

— Eckhart Tolle

The Empire is the institution, the codification, of derangement; it is insane and imposes its insanity on us by violence, since its nature is…

— Philip K. Dick

“People who smile while they are alone used to be called insane, until we invented smartphones and social media.”

— Mokokoma Mokhonoana

“I keep thinking that insanity is a state where a person can’t tell what’s real. Well, what’s real now is insane—and if I accepted…

— Ayn Rand

“You're bloody insane, Karede," Mat said. "Unfortunately, so am I.”

— Robert Jordan Brandon Sanderson

Every isolated passion, is, in isolation, insane; sanity may be defined as synthesis of insanities. Every dominant passion generates a dominant fear, the fear…

— Bertrand Russell

People can do great things. However, there are somethings they just can't do. I, for instance, have not been able to transform myself into…

— Brandon Sanderson