Science is founded on uncertainty. Each time we learn something new and surprising, the astonishment comes with the realization that we were wrong before.

It is from the progeny of this parent cell that we all take our looks; we still share genes around, and the resemblance of the enzymes of grasses to those of whales is in fact a family resemblance.

The capacity to blunder slightly is the real marvel of DNA. Without this special attribute, we would still be anaerobic bacteria and there would be no music.

Statistically, the probability of any one of us being here is so small that you'd think the mere fact of existing would keep us all in a contented dazzlement of surprise.

In real life, every field of science is incomplete, and most of them - whatever the record of accomplishment during the last 200 years - are still in their very earliest stages.

We owe our lives to the sun... How is it, then, that we feel no gratitude?

The greatest single achievement of nature to date was surely the invention of the molecule DNA.

It is in our genes to understand the universe if we can, to keep trying even if we cannot, and to be enchanted by the act of learning all the way.

I would send the complete works of Johann Sebastian Bach into outer space on the Voyager spacecraft. But that would be boasting.

Animals have genes for altruism, and those genes have been selected in the evolution of many creatures because of the advantage they confer for the continuing survival of the species.

We leave traces of ourselves wherever we go, on whatever we touch.

When I saw you I fell in love, and you smiled because you knew.

Open all closed minds with the key to understanding.

So the dubbed conceit Played nursery of cheat To clear the I of sleet.

The Internet is an actor's best friend.

The good things of life are not to be had singly, but come to us with a mixture; like a school-boy's holiday, with a task affixed to the tail of it.

Over two billion people now use the broadband Internet, up from perhaps 50 million a decade ago, when I was at Netscape, the company I co-founded.

Intelligence in isolation turns to aimless marauding.

It's hard to beat a guy when he's got his mind made up that he's going to win.

Is Messi a real player or a Play Station character?

Under the doctrine of separation of powers, the manner in which the president personally exercises his assigned executive powers is not subject to questioning by another branch of government.