Of all human activities, only labor, and neither action nor work, is unending, progressing automatically in accordance with life itself and outside the range of willful decisions or humanly meaningful purposes.

Imperialism was born when the ruling class in capitalist production came up against national limits to its economic expansion.

Every organization of men, be it social or political, ultimately relies on man's capacity for making promises and keeping them.

The individual who has been liberated by reason is always running head-on into a world, a society, whose past in the shape of 'prejudices' has a great deal of power; he is forced to learn that past reality is also a reality.

To be free in an age like ours, one must be in a position of authority. That in itself would be enough to make me ambitious.

Rage is by no means an automatic reaction to misery and suffering as such; no one reacts with rage to an incurable disease or to an earthquake or, for that matter, to social conditions that seem to be unchangeable. Only where there is reason to suspect that conditions could be changed and are not does rage arise.

Basically we are always educating for a world that is or is becoming out of joint, for this is the basic human situation, in which the world is created by mortal hands to serve mortals for a limited time as home.