Our passion for learning ... is our tool for survival.

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

Have faith, because life changes fast, I've learned that much.

Learn to discover your divine potential.

Taking a dump...blackout

Bachelors have consciences, married men have wives.

Hebrew was frozen, like frozen peas, fresh out of the Bible.

My books are always tactical, bullet lists, this is what you need to do because I'm trying to appeal to people who are trying to change the world and they need checklists.

Thank you... 'Real Housewives of Atlanta,' for demonstrating a universal truth: Idiots like me will always watch idiots like you fight on TV. You will forever be in my TiVo.

What was freely given to me, I freely give.

You train hard and I'll train hard, and may the best man win, and good luck to both of us.

The most important key to a more romantic life: you have to be willing to pay attention