Before God we are all equally wise - and equally foolish.

Be careful when you fight the monsters, lest you become one.

Banking establishments are more dangerous than standing armies.

Any society that would give up a little liberty to gain a little security will deserve neither and lose both.

Anger is never without Reason, but seldom with a good one.

An investment in knowledge always pays the best interest.

An education is not how much you have committed to memory, or even how much you know. It is being able to differentiate between what you do know and what you do not know.

All paid jobs absorb and degrade the mind.

All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

A penny saved is a penny earned

A flatterer is a friend who is your inferior, or pretends to be so.

A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.

Money can never be the source of happiness

Those people should not be listened to who keep saying the voice of the people is the voice of God, since the riotousness of the crowd is always very close to madness.

Man thinks, God directs.

At Athens, wise men propose, and fools dispose.

I've been nominated twice before as actor in a leading part. Now I'm nominated as actor in a supporting part. If I don't win, I'll just wait until I'm nominated for being in the...

In 2003, I almost died of an intestinal blockage when I was on a mountain in Chile, filming a segment for 'Scientific American Frontiers.'

It's really clear to me that you can't hang onto something longer than its time. Ideas lose certain freshness, ideas have a shelf life, and sometimes they have to be replaced by...

Listening is being able to be changed by the other person.