Discussion and argument are essential parts of science; the greatest talent is the ability to strip a theory until the simple basic idea emerges with clarity.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

Religion without philosophy is sentiment, or sometimes fanaticism, while philosophy without religion is mental speculation.

The tree of life is growing where the spirit never dies, and the bright light of salvation shines in dark and empty skies.

It's highly improbable in the limitless vastness of the Universe that we humans stand alone.

I was raised by parents who really admired the religious leaders of the left, as many 60s and 70s liberals did.

My wife is my protector. Without her, I'm nothing. She wants to please me, and I want to please her. We've been together over 53 years.

Let's face it, the subject of campaign finance is not always scintillating. But it's incredibly important.

The tabloids, instead of being about alien babies and stuff, it's my triplets, quadruplets, marriages, feuds.

Make peace with your body, it's not manmade, there are no flaws, there are no mistakes.

You... and only you choose your thoughts.