Never cast pearls before swine.

If a grasshopper tries to fight a lawnmower, one may admire his courage but not his judgement.

Love is that condition in which the happiness of another person is essential to your own.

You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.

Never underestimate the power of human stupidity.

Women and cats will do as they please, and men and dogs should relax and get used to the idea.

I never learned from a man who agreed with me.

A generation which ignores history has no past — and no future.

Don't ever become a pessimist... a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.

May you live as long as you wish and love as long as you live.

It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so.

You can't trust anybody with power.

I've often gone to start a film only to find the producers surprised to discover that I'm American.

On my first visit to the public library, I was like a kid at a candy store where all the candy was free. I gorged myself until my tummy ached.

The major task of the twentieth century will be to explore the unconscious, to investigate the subsoil of the mind.

In our world, we have so many ways we can escape with technology, like TV, Facebook, computers, text messaging and all that.

Falling in love is dying by the cupid's bow.

The inevitable end of multiple chiefs is that they fade and disappear for lack of unity.

There's this absurd situation on a movie set where your trailer's here and the set is here and the lunch tent is here, and you're not allowed to get yourself from these three places.

You can't write about a horrible restaurant - if it's a Ma & Pa restaurant no one wants to see you kick Ma & Pa in the chops.

Many painters are afraid of the blank canvas, but the blank canvas is afraid of the truly passionate painter who dares-and who has once broken the spell of 'you can't.'