A child who has been severely punished for sex play is not necessarily less inclined to continue; and a man who has been imprisoned for violent assault is not necessarily less inclined toward violence.

Going out of style isn't a natural process, but a manipulated change which destroys the beauty of last year's dress in order to make it worthless.

The evolution of cultures appears to follow the pattern of the evolution of species. The many different forms of culture which arise correspond to the "mutations" of genetic theory. Some forms prove to be effective under prevailing circumstances and others not, and the perpetuation of the culture is determined accordingly.

A disappointment is not generally an oversight. It might just be the best one can do the situation being what it is. The genuine error is to quit attempting.

We admire people to the extent that we cannot explain what they do, and the word 'admire' then means 'marvel at.'

Men build society and society builds men.

A first principle not formally recognized by scientific methodologists: when you run into something interesting, drop everything else and study it.