There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Gravity is only the bark of wisdom's tree; but it preserves it

The secret of life, though, is to fall seven times and to get up eight times.

Almost every wise saying has an opposite one, no less wise, to balance it.

Having a great intellect is no path to being happy.

When you undervalue what you do, the world will undervalue who you are

Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

All that we see or seem is but a dream within a dream.

I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.

Share our similarities, celebrate our differences.

If a man could have half of his wishes, he would double his troubles.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

And no one will listen to us until we listen to ourselves.

Men build too many walls and not enough bridges.

Confidence is contagious. So is lack of confidence.

Never ruin an apology with an excuse.

Wisdom begins at the end.

The cure for pain is in the pain.

You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.

It is not enough to have a good mind; the main thing is to use it well.