Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

What happens to other species also happens to us.

Science provides a much more satisfactory way to seek answers than does any religion.

The Earth is not 6,000 or 10,000 years old. It's not. And if that conflicts with your beliefs, I strongly feel you should question your beliefs.

The information you get from social media is not a substitute for academic discipline at all.

Bicycling is a big part of the future. It has to be. There's something wrong with a society that drives a car to work out in a gym.

Science is the key to our future, and if you don't believe in science, then you're holding everybody back.

I speak with dogs frequently. They don't really talk, but I feel they're communicating.

The natural world is a package deal; you don't get to select which facts you like and which you don't.

The more you find out about the world, the more opportunities there are to laugh at it.

There's nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind.

Science is the best idea humans have ever had. The more people who embrace that idea, the better.

To leave the world better than you found it, sometimes you have to pick up other people's trash.

Everyone you will ever meet knows something you don't.

Worry compounds the futility of being trapped on a dead-end street. Thinking opens new avenues.

Wisdom is what's left after we've run out of personal opinions

Failure can be bought on easy terms; success must be paid for in advance

Only the poor can know all the disadvantages of poverty. Only the rich can know all the disadvantages of wealth.

The mistakes made by Congress wouldn't be so bad if the next Congress didn't keep trying to correct them.