To become wise you have to want to experience certain experiences, and so to run into their open jaws. This is very dangerous, tobe sure; many a "wise man" has been eaten up in doing so.
Christianity was from the beginning, essentially and fundamentally, life's nausea and disgust with life, merely concealed behind, masked by, dressed up as, faith in "another" or "better" life.
Subordination to morality can be slavish or vain or self- interested or resigned or gloomily enthusiastic or thoughtless or an act of despair, just as subordination to a prince can be: in itself it is nothing moral.
The Greeks, with their truly healthy culture, have once and for all justified philosophy simply by having engaged in it, and having engaged in it more fully than any other people.