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.

... whatever men do or know or experience can make sense only to the extent that it can be spoken about. There may be truths beyond speech, and they may be of great relevance to man in the singular, that is, to man in so far as he is not a political being, whatever else he may be. Men in the plural, that is, men in so far as they live and move and act in this world, can experience meaningfulness only because they can talk with and make sense to each other and to themselves.

To think and to be fully alive are the same.

And the distinction between violent and non-violent action is that the former is exclusively bent upon the destruction of the old, and the latter is chiefly concerned with the establishment of something new.

The defiance of established authority, religious and secular, social and political, as a world-wide phenomenon may well one day be accounted the outstanding event of the last decade.

Every activity performed in public can attain an excellence never matched in privacy; for excellence, by definition, the presence of others is always required.

Revolutions are the only political events which confront us directly and inevitably with the problem of beginning.