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

There are no parallels to the life of the concentration camps. All seeming parallels create confusion and distract attention from what is essential. Forced labor in prisons and penal colonies, banishment, slavery, all seem for a moment to offer helpful comparisons, but on closer examination lead nowhere.

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

Man's chief moral deficiency appears to be not his indiscretions but his reticence.

Scientific and philosophic truth have parted company.

We are wont to see friendship solely as a phenomenon of intimacy in which the friends open their hearts to each other unmolested by the world and its demands...Thus it is hard for us to understand the political relevance of friendship...But for the Greeks the essence of friendship consisted in discourse...The converse (in contrast to the intimate talk in which individuals speak about themselves), permeated though it may be by pleasure in the friend’s presence, is concerned with the common world.

The result of a consistent and total substitution of lies for factual truth is not that the lie will now be accepted as truth, and truth be defamed as lie, but that the sense by which we take our bearings in the real world - and the category of truth versus falsehood is among the mental means to this end - is being destroyed.