Man's existence precedes his essence
If you seek authenticity for authenticity's sake you are no longer authentic.
The characteristic of every neurosis is to represent itself as natural.
There are two ways of destroying a people. Either condemn them en bloc or force them to repudiate the leaders they adopted. The second is the worse.
As if there could be true stories: things happen in one way, and we retell them in the opposite way.
What do we mean by saying that existence precedes essence? We mean that man first of all exists, encounters himself, surges up in the world-and defines himself afterward.