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.

His [Marx's] most explosive and indeed most original contribution to the cause of revolution was that he interpreted the compelling needs of mass poverty in political terms as an uprising, not for the sake of bread or wealth, but for the sake of freedom as well.

A theology which is not based on revelation as a given reality but treats God as an idea would be as mad as a zoology which is no longer sure of the physical, tangible existence of animals.

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

Expulsion and genocide, though both are international offenses, must remain distinct; the former is an offense against fellow-nations, whereas the latter is an attack upon human diversity as such, that is, upon a characteristic of the "human status" without which the very words "mankind" or "humanity" would be devoid of meaning.

To think and to be fully alive are the same.

The ultimate end of human acts is eudaimonia, happiness in the sense of living well, which all men desire; all acts are but different means chosen to arrive at it.