"The only relevant test of the validity of a hypothesis is comparison of prediction with experience."
"Life can only be understood backwards but it must be lived forwards."Milton Friedman on Soren Kierkegaard
"The only source of knowledge is experience."Milton Friedman on Albert Einstein
"Experience: that most brutal of teachers. But you learn, my God do you learn."Milton Friedman on C. S. Lewis
"Experience is simply the name we give our mistakes."Milton Friedman on Oscar Wilde
"A man who carries a cat by the tail learns something he can learn in no other way."Milton Friedman on Mark Twain
"The greatest advances of civilization, whether in architecture or painting, in science and literature, in industry or agriculture, have never come from centralized government."
"I am favor of cutting taxes under any circumstances and for any excuse, for any reason, whenever it's possible."
"Inflation is taxation without legislation."
"Every friend of freedom must be as revolted as I am by the prospect of turning the United States into an armed camp, by the vision of jails filled with casual drug users and of an army of enforcers empowered to invade the liberty of citizens on slight evidence."
"The only way that has ever been discovered to have a lot of people cooperate together voluntarily is through the free market. And that's why it's so essential to preserving individual freedom."