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

If you just take a single human and put him or her in the forest he or she might not do very well without some sort of education which he got or she got from some tribe.

I always liked show biz and got to make a few training films at Boeing.

People confuse the word cynicism with the word skepticism. One is “you’re not gonna pay attention to anything, think everything’s screwed up, nothing’s ever gonna work out right”, that’s cynicism. But skepticism is, “you’re presented with evidence and you do your best to draw conclusions based on that”. So, as the saying goes, Bill Nye, do you believe in ghosts? No. However, I would love to see one. Bring it on. I’m open minded to the idea, but the more I look into it in a skeptical frame of thinking, the less likely it seems.

When we sit down to draw or paint the sun's rays, we generally use yellow because in the morning and the evening with the blue light scattered away so strongly you're left with a little bit of red and it comes out yellowish.

I meet so many people who are intimidated by arithmetic.

But investment in space stimulates society, it stimulates it economically, it stimulates it intellectually, and it gives us all passion.