The extraordinary courage and wisdom of Kant and Schopenhauer have succeeded in gaining the most difficult victory, the victory over the optimism concealed in the essence of logic-an optimism that is the basis of our culture.

Friedrich Nietzsche

CourageWisdomKantSchopenhauer...+5

Logic is a poor guide compared with custom.

Winston Churchill

LogicGuideCustomPoor

Fear is the enemy of logic.

Frank Sinatra

FearEnemyLogic

The true logic of this world is in the calculus of probabilities.

James Clerk Maxwell

TrueLogicWorldCalculus...+1

This freedom and heavenly cheer I have placed over all things like an azure bell when I taught that over them and through them no 'eternal will' wills. This prankish folly I have put in the place of that will when I taught: In everything one thing is impossible: rationality.

Friedrich Nietzsche

FreedomHeavenlyCheerAzure...+6

As a rational being, he now places his behavior under the control of abstractions. He will no longer tolerate being carried away by sudden impressions, by intuitions.

Friedrich Nietzsche

RationalBehaviorAbstractionsImpressions...+2