By the data to date, there is only one animal in the Galaxy dangerous to man -- man himself. So he must supply his own indispensable competition. He has no enemy to help him.

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.

Papas should be loving their children so much that they cry when they gone. That’s what papas is supposed to do.

Either way, we'll ride out together. That's how it is with soul mates. Thats just what they do.

Female athletes are stereotyped by the general population--and usually as homosexuals.

When people are using their devices, it's probable that almost half are networking on social media.

The magic will which makes us see the other side of our natures-dream and disaster, catastrophe and fulfillment-is the great permanent challenge of humanity.

One man's word is no man's word; we should quietly hear both sides.

But when I stopped facing Sandy, I had to face Don Drysdale. No one on my team wanted to face him.

I think people just probably don't want people to think that they're vain.

All great things are done for their own sake.

I realize it's possible in ways both large or small to make a difference in someone's life.