We should point out that if we feel like we've upset somebody and they're vitriolic, if people are actively pursuing some sort of complaint, then we've done our job.

Science isn't just for scientists and guys in lab coats. It's something that everybody can do.

Sometimes the best people to be around are not exactly like you - because if they were, what is the point? If they contribute something different than you can, that is when they are valuable.

Duct tape is not a perfect solution to anything. But with a little creativity, in a pinch, it's an adequate solution to just about everything.

Fun for us just happens to be screwing around with anything that gets our attention and is thought-provoking.

If at first you don't succeed, C4

I didn't do the engineering, and I didn't do the math, because I thought I understood what was going on and I thought I made a good rig. But I was wrong. I should have done it.

We have relatively little time and a whole lot of curiosity, so the most efficient way to get there is what we do, and that often happens to be some form of science.

I don't think our death ray is working. I'm standing right in it, and I'm not dead yet.

Any day we create that much shrapnel is a good day.

We may not have a sample size larger than one, or we may not have unlimited resources - it's a TV show, and we generally turn these things around in about a week or so.

Our goodness is our wealth and when we close our eyes to the tragedies of the hard lives, we start losing our wealth!

Be grateful. You only have this one life and it will be as beautiful as you make it

There is a vitality, a life force, an energy, a quickening, that is translated through you into action, and because there is only one of you in all time, this expression is unique.

what are we all sent into the world for, but to be of use to each other?

People Watch Luck Go by Them and They're Blind - They Never Reach out and Grab It.

I'm really interested in the repetition, the discipline, and what happens to me psychologically when I put my body to that extreme place.

The second world war claimed tens of millions of victims.

I don't know whether it's age or maturity, but I certainly find myself committed more and more to the looser forms of Western democracy at any price.

The little vices of the great must needs be accounted very great.

To have seen much and to have nothing is to have rich eyes and poor hands.