External nature is only internal nature writ large.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment

I've got a woman's ability to stick to a job and get on with it when everyone else walks off and leaves it.

I must uphold my ideals, for perhaps the time will come when I shall be able to carry them out.

Effective action is always unjust.

I am only one, but still I am one. I cannot do everything, but still I can do something; and because I cannot do everything, I will not refuse to do something that I can do.

Thought is free.

He who surpasses or subdues mankind must look down on the hate of those below.

But some emotions don't make a lot of noise. It's hard to hear pride. Caring is real faint - like a heartbeat. And pure love why, some days it's so quiet, you don't even know it's there.

I have noticed that nothing I have never said ever did me any harm.

I have only ever read one book in my life, and that is White Fang. It's so frightfully good I've never bothered to read another.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.

Let us try to teach generosity and altruism, because we are born selfish.

Everything is vague to a degree you do not realize till you have tried to make it precise.

I have often been accused of putting my foot in my mouth, but I will never put my hand in your pockets

The last of human freedoms - the ability to chose one's attitude in a given set of circumstances.

When people start asking you to do the same thing over and over again, that's when you know you're way too close to something that you don't want to be near.

A girl should be two things: classy and fabulous.