The ultimate authority must always rest with the individual's own reason and critical analysis.

What's done can't be undone.

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

Great dreams of great dreamers are always transcended.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

If you don't know where you're from, you'll have a hard time saying where you're going.

A person who spends more than he earns is a fool

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Never pick a fight with an ugly person, they've got nothing to lose.

The only limit to our realization of tomorrow will be our doubts of today.

Experience is the only prophecy of wise men.

Whatever you think the world is withholding from you, you are withholding from the world.

I believe that one defines oneself by reinvention. To not be like your parents. To not be like your friends. To be yourself. To cut yourself out of stone.

Judge not unless you judge yourself.

Tis very certain the desire of life prolongs it.

Anywhere you go in the world is what you make of it, not what you read in books.

Nobody made a greater mistake than he who did nothing because he could do only a little.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

Promises are like crying babies in a theater, they should be carried out at once.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

It is hard to fight desire; but to control it is the sign of a reasonable man.