The world is the sum-total of our vital possibilities.
Thought is not a gift to man but a laborious, precarious and volatile acquisition.
The cynic, a parasite of civilization, lives by denying it, for the very reason that he is convinced that it will not fail.
Commonplaces are the tramways of intellectual transportation.
All life is the struggle, the effort to be itself.
We cannot put off living until we are ready.