Seek happiness in tranquility and avoid ambition even if it be only the apparently innocent one of distinguishing yourself in science and discoveries.

Beware; for I am fearless, and therefore powerful.

Accursed creator! Why did you form a monster so hideous that even you turned from me in disgust?

The beginning is always today.

Nothing contributes so much to tranquilize the mind as a steady purpose - a point on which the soul may fix its intellectual eye.

If I cannot inspire love, I will cause fear!

You are my creator, but I am your master; Obey!

I beheld the wretch-the miserable monster whom I had created.

There is something at work in my soul, which I do not understand.

Solitude was my only consolation - deep, dark, deathlike solitude.

My dreams were all my own; I accounted for them to nobody; they were my refuge when annoyed - my dearest pleasure when free.

Being President is like being the groundskeeper in a cemetery: there are a lot of people under you, but none of them are listening.

Your brain has a trillion neurons and every neuron has ten thousand little dendrites. The system of inter-communication is awe-inspiring.

Power-worship blurs political judgment because it leads, almost unavoidably, to the belief that present trends will continue. Whoever is winning at the moment will always seem to be invincible.

The marathon is a competition between your will and your possibilities

A good wanderer leaves no trace.

I kind of just roll up on stage. I realize that as soon as I find myself wearing something that I haven't worn ten times in the past, I'm like, "Who am I right now? I don't recognize myself!"

Sometimes you make up your mind about something without knowing why, and your decision persists by the power of inertia. Every year it gets harder to change.

The war on terror is a fight that we did not start, but it is one that we shall finish.

So the well educated man can learn to sing and dance well.

I feel... an ardent desire to see knowledge so disseminated through the mass of mankind that it may, at length, reach even the extremes of society: beggars and kings.