Wisest is he who knows he knows not.

The only true wisdom is in knowing you know nothing.

Falling down is not a failure. Failure comes when you stay where you have fallen.

When the debate is lost, slander becomes the tool of the loser.

The secret of happiness, you see, is not found in seeking more, but in developing the capacity to enjoy less.

I know that I am intelligent, because I know that I know nothing.

Awareness of ignorance is the beginning of wisdom.

There is no possession more valuable than a good and faithful friend.

True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.

If you want to be wrong then follow the masses.

I am a Citizen of the World, and my Nationality is Goodwill.

The probability that we face global warming caused by fossil fuels is now so overwhelming that it is legitimate to doubt the motives of those who deny it

If I hadn't gone into acting, I would have been one of those weird runaways on Hollywood Boulevard. No, it'd be uglier. I'd probably be dead.

If people believe the world is here to satisfy them, whenever they begin to encounter their limitations, they become unhappy.

I've learned a long time ago, you don't say anything for absolutely certain.

Dream the impossible dream.

Climb the mountain so you can see the world, not so the world can see you. Focus all your effort on what is in your power to control.

I never go about a new project as if I'm trying ot redefine myself. I just like to work, and I'm excited by material I find challenging and - if it's a comedy - exceptionally funny.

I watch the PGA, not the LPGA. I like the players on the PGA better.

I don't think [Bill Clinton] does anything - I don't think it's ill will. I don't think he's evil in the sense that he hates the Bill of Rights. He does what he figures will help him politically.

Those who today still feel a sense of impotence can do something: they can support Amnesty International. They can help it to stand up for freedom and justice.