The lessons learned as we try to build ever more sophisticated nanomachines will almost certainly inform our understanding of the origins of life.

Nanotechnology is the idea that we can create devices and machines all the way down to the nanometer scale, which is a billionth of a meter, about half the width of a human DNA molecule.

Understanding is the reward of faith. Therefore, seek not to understand that you may believe, but believe that you may understand.

Determination goes a long way when pursuing dreams.

Ask yourself: Have you been kind today? Make kindness your daily modus operandi and change your world.

The thing that interests me most about family history is the gap between the things we think we know about our families and the realities.

What strange impulse is it which induces otherwise truthful people to say they like music when they do not, and thus expose themselves to hours of boredom?

If you tell kids they can't have something, that's what they want.

Man is saved by love and duty, and by the hope that springs from duty, or rather from the moral facts of consciousness, as a flower springs from the soil.

What kinds of things and people might learners want to be in contact with in order to learn?

Housework is the only activity at which men are allowed to be consistently inept because they are thought to be so competent at everything else.

As soon as one project is finished I like to go straight on to something else.