“Culture” means … the cultivation of the mind, the taking care and improving of the native faculties of the mind in accordance with the nature of the… - Leo Strauss

Existentialism is a 'movement' which like all such movements has a flabby periphery and a hard center. That center is the thought of Heidegger.

The character, or tone, of a society depends on what the society regards as the most respectable or most worthy of admiration. But by regarding certain habits or attitudes as most respectable, a society admits the superiority, the superior dignity, of those human beings who most perfectly embody the habits or attitudes in question. That is to say, every society regards a specific human type (or a specific mixture of human types) as authoritative. When the authoritative type is the common man, everything has to justify itself before the tribunal of the common man; everything which cannot be justified before that tribunal becomes, at best, merely tolerated, if not despised or suspect. And even those who do not recognize that tribunal are, willy-nilly, molded by its verdicts.

The facile delusions which conceal from us our true situation all amount to this: that we are, or can be, wiser than the wisest men of the past. We are thus induced to play the part, not of attentive and docile listeners, but of impresarios and lion-tamers.