The most lasting and universal consequence of the French revolution is the metric system

It is one of the ironies of this strange century that the most lasting results of the October revolution, whose object was the global overthrow of capitalism, was to save its antagonist, both in war and in peace - that is to say, by providing it with the incentive, fear, to reform itself after the Second World War, and, by establishing the popularity of economic planning, furnishing it with some of the procedures for its reform

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.

Many years later, another Marxian rephrased this as the choice between socialism and barbarity. Which of these will prevail is a question which the twenty-first century must be left to answer.

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

It seems that American patriotism measures itself against an outcast group. The right Americans are the right Americans because they're not like the wrong Americans, who are not really Americans.