At any moment there is certainly not balanced trade between the various areas of the habitable globe that happens to be under seperate national governments - there is an ever-changing pattern of deficits and surpluses.

science progresses by trial and error, and when it is forbidden to admit error there can be no progress.

Reality is never a golden age.

It is the rate of investment which governs the rate of saving, and not vice versa.

Rosa Luxemburg maintained that the capitalist system can keep up its rate of investment (and therefore its profits) only so long as it is expanding geographically.

But, as soon as speculators become an important influence in the market, their business is to speculate on each others behaviour.

owning capital is not a productive activity.