Where historians try to come to grips with a period which has left surviving eyewitnesses, two quite different concepts of history clash, or, in the … - Eric Hobsbawm

Marx's ideas became the doctrines inspiring the labour and socialist movements of most of Europe. Mainly via Lenin and the Russian Revolution they became the quintessential international doctrine of twentieth-century social revolution, equally welcomes as such from China to Peru. Through the triumph of parties identified with these doctrines, versions of these ideas became the official ideology of the states in which, at their peak, something like a third of the human race lived, not to mention political movements of varying size an importance in the rest of the world. The only individually identifiable thinkers who have achieved comparable status are the founders of the great religions in the past, and with the possible exception of Muhammad none have triumphed on a comparable scale with such rapidity. No secular thinker can be named beside him in this respect.

To draw a parallelism between the arts and the sciences is always dangerous, for the relationships between either and the society in which they flourish is quite different. Yet the sciences too in their way reflected the dual revolution, partly because it made specific new demands on them, partly because it opened new possibilities for them and faced them with new problems, partly because its very existence suggested new patterns of thought.

Why brilliant fashion-designers, a notoriously non-analytic breed,sometimes succeed in anticipating the shape of things to come better than professional predictors, is one of the most obscure questions in history; and, for the historian of culture, one of the most central.