It is the end of happiness and the beginning of peace.

The notion that Nature does not proceed by jumps is only one of the budget of plausible lies that we call classical education. Nature always proceeds by jumps. She may spend twenty thousand years making up her mind to jump; but when she makes it up at last, the jump is big enough to take us into a new age.

Our way of getting an army able to fight the German army is to declare war on Germany just as if we had such an army, and then trust to the appalling resultant peril and disaster to drive us into wholesale enlistment.

All progress depends on the unreasonable man.

As long as I have a want, I have a reason for living. Satisfaction is death.

Assasination on the scaffold is the worst form of assasination, because there it is invested with the approval of society.

When I was young, I observed that nine out of ten things I did were failures. So I did ten times more work.