I had always thought that once you grew up you could do anything you wanted - stay up all night or eat ice-cream straight out of the container.

Those who sniff decay in every shift of sense or alteration of usage do the language no service. Too often for such people the notion of good English has less to do with expressing ideas clearly than with making words conform to some arbitrary pattern.

Even though sugar was very expensive, people consumed it till their teeth turned black, and if their teeth didn't turn black naturally, they blackened them artificially to show how wealthy and marvelously self-indulgent they were.

Disassemble the cells of a sponge (by passing them through a sieve, for instance), then dump them into a solution, and they will find their way back together and build themselves into a sponge again. You can do this to them over and over, and they will doggedly reassemble because, like you and me and every other living thing, they have one overwhelming impulse: to continue to be.

It is a curious feature of our existance that we come from a planet that is very good at promoting life but even better at extinguishing it.

There are three stages in scientific discovery. First, people deny that it is true, then they deny that it is important; finally they credit the wrong person.

It is not as if farming brought a great improvement in living standards either. A typical hunter-gatherer enjoyed a more varied diet and consumed more protein and calories than settled people, and took in five times as much viatmin C as the average person today.