Climate change is happening, humans are causing it, and I think this is perhaps the most serious environmental issue facing us.

I abandoned my religious teachings after I read the Bible twice - cover to cover. It took me a couple of years.

You stop planetary exploration, those people who do that extraordinary work are going to have to go do something else.

If you want grown-ups to recycle, just tell their kids the importance of recycling, and they'll be all over it.

People get a lot out of being religious. They have strong senses of community and mutual support. So, what's not to love [there]?

I meet so many people who are intimidated by arithmetic.

Humor is everywhere in that there's irony in just about anything a human does.