More often than you might think, teaching science is inseparable from teaching doubt.

The lack of understanding of something is not evidence for God. It's evidence of a lack of understanding.

The purpose of education is not to validate ignorance but to overcome it.

I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.

Without science, everything is a miracle.

As a scientist, I don't believe anything. Science shouldn't use the word belief. There are things more likely and less likely. Science can say nothing with absolute certainty.

[The writers of the holy books] did not even know the earth revolves around the sun. Why are we listening?

Forget Jesus. The stars died so that you could be here today.

Keeping religion immune from criticism is both unwarranted and dangerous.

Whatever the evolutionary basis of religion, the xenophobia it now generates is clearly maladaptive.

It is a shame when nonsense can substitute for fact with impunity.

Instructions for living a life. Pay attention. Be astonished. Tell about it.

If a thief and an immoral society finds a thief and an immoral political leader, it will support him to the death!

I just work hard and do things as they come along. But it has been a challenge to learn that I have to say 'no' to things and to know how and what to prioritize.

I have had a lot of crushes but have never had the courage to go up to a girl and say what I feel. I am scared of rejection.

If you were to second guess your decision to book some time to visit an Indian community, that would be a reservation reservation reservation.

A third of our kids, after we spend more per student than any country in the world other than a couple rounding errors, 30 percent are college- and/or career-ready.

There are nine million people who see me in the ring and hate my guts. Most of them are white. That's okay. Just spell my name right.

Do not think little of any good deed, even if it is just greeting your brother with a smile.

Tattoos to me are the outward symbol of the inward change within my soul.

I've never thought of leaving the South, never.