Fine conduct is always spontaneous.

It is not because things are difficult that we do not dare; it is because we do not dare that things are difficult

A sword by itself does not slay; it is merely the weapon used by the slayer.

The important thing about a problem is not its solution, but the strength we gain in finding the solution

Don't stumble over something behind you.

We become wiser by adversity; prosperity destroys our appreciation of the right.

Great men rejoice in adversity, just as brave soldiers triumph in war.

When an author is too meticulous about his style, you may presume that his mind is frivolous and his content flimsy.

There in no one more unfortunate than the man who has never been unfortunate. for it has never been in his power to try himself.

It's all in your headJ you have the power to make things seem hard or easy or even amusing. The choice is yours.

Death is the wish of some, the relief of many, and the end of all.

All you need in this life is ignorance and confidence

The contents of someone's bookcase are part of his history, like an ancestral port

There are no good girls gone wrong - just bad girls found out.

With genius, as with beauty -- all, well almost all, is forgiven.

Inequality is going to be a big issue, but competence is going to be the biggest issue. [People] want to see somebody that's super-competent and that's me.

You can search the entire universe and not find a single being more worthy of love than you.

I won't play with you anymore. You have insulted my friend -when an opponent cursed himself for a blunder

Dream better than the best you know.

I have no idea what my limits are. I believe that if I set my mind to it, within the next fifteen years, I would be the President of the United States.