I hold every man a debtor to his profession.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

And I suppose you know who Magnus’ father is?” Luke said.“I paid a lot of money once to find it out, ” Raphael said.

If one morning I walked on top of the water across the Potomac River, the headline that afternoon would read: 'President Can't Swim.'

The obvious mathematical breakthrough would be development of an easy way to factor large prime numbers.

It's weird when you hear teachers call each other by their first names. It's like they're friends or something.

I'm the Forrest Gump of comedy.

Don't think that any one technique is the end. there is no end. There is no perfect technique. Just when you think you've got them, you're dead because you didn't.

There is nothing wrong with my mind.

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.

Human beings want to know too much abut each other, and that's why there are so many lies.

Truth lives, in fact, for the most part on a credit system