It is a melancholy illusion of those who write books and articles that the printed word survives. Alas, it rarely does.

Historians are to nationalism what poppy-growers in Pakistan are to heroin-addicts: we supply the essential raw material for the market.

The paradox of communism in power was that it was conservative.

Utopianism is probably a necessary social device for generating the superhuman efforts without which no major revolution is achieved.

It is a melancholy illusion of those who write books and articles that the printed word survives. Alas, it rarely does.

There is not much that even the most socially responsible scientists can do as individuals, or even as a group, about the social consequences of their activities.

The only certain thing about the future is that it will surprise even those who have seen furthest into it.