"Have the courage to use your own understanding,"— Immanuel Kant

"Everybody has a plan until they get hit." — Mike Tyson

"In theory, there is no difference between theory and practice; in practice there is." —Yogi Berra

'Realize that war is common and justice is strife, and that all things come into being and pass away through strife.' — Heraclitus

"The truth knocks on the door and you say, "Go away, I'm looking for the truth," and so it goes away." — Zen and the Art of Motorcycle Maintenance

“One of the most helpful things that anybody can learn is to give up trying to catch the last eighth-or the first. These two are the most expensive eighths in the world.” — Larry Livingston (Jesse Livermore) in 'Reminiscences of a Stock Operator'

“In individuals, insanity is rare; but in groups, parties, nations and epochs, it's the rule.” — Friedrich Nietzsche

“The man who does not read has no advantage over the man who cannot read.”― Mark Twain

“In peaceful conditions, the warlike man will attack himself.”— Friedrich Nietzsche Beyond Good and Evil

"Basically, at the very bottom of life, which seduces us all, there is only absurdity, and more absurdity." Albert Camus

"The past is never dead. It's not even past." — William Faulkner

"Science advances one funeral at a time." — Max Planck

“It is often remarked that nothing we do now will matter in a million years. But if that is true, then by the same token, nothing that will be the case in a million years matters now. In particular, it does not matter now that in million years nothing we do now will matter.” ― Thomas Nagel