From On Socialist Man

May I remind you that Trotsky, for instance, speaks of three basic tragedies—hunger, sex, and death—besetting man. Hunger is the enemy that Marxism and the modern labor movement have taken on. In doing so they have naturally been inclined to ignore or belittle man’s other predicaments. But is it not true that hunger or, more broadly, social inequality and oppression, have hugely complicated and intensified for innumerable human beings the torments of sex and death as well?

In fighting against social inequality and oppression we fight also for the mitigation of those blows that nature inflicts on us….

Yes, socialist man will still be pursued by sex and death; but we are convinced that he will be better equipped than we are to cope even with these.

- Isaac Deutscher

From a speech delivered in New York in 1966, apparently. Thanks to Alan, of the purest of treats.