Scientific and philosophic truth have parted company.

in addition to the conditions under which life is given to man on earth, and partly out of them, men constantly create their own, self-made conditions, which, their human origins notwithstanding, possess the same conditioning power as natural things. whatever touches or enters into a sustained relationship with human life immediately assumes the character of a condition of human existence. this is why men, no matter what they do, are always conditioned beings. whatever enters the human world of its own accord or is drawn into it by human effort becomes part of the human condition.

Ideas, as distinguished from events, are never unprecedented.

The history of humanity is not a hotel where someone can rent a room whenever it suits him; nor is it a vehicle which we board or get out of at random. Our past will be for us a burden beneath which we can only collapse for as long as we refuse to understand the present and fight for a better future. Only then — but from that moment on — will the burden become a blessing, that is, a weapon in the battle for freedom.

In order to go on living one must try to escape the death involved in perfectionism.

To speak of the impotence of power is no longer a witty paradox.

It is in the nature of all party systems that the authentically political talents can assert themselves only in rare cases, and it is even rarer that the specifically political qualifications survive the petty maneuvers of party politics with its demands for plain salesmanship.