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"What I am saying here probably strikes many as obscure and foolish talk, because they pride themselves on never having been in anxiey. To this I would reply that one certainly should not be in anxiety about men and about finitudes, but only he who passes through the anxiety of the possible is educated to have no anxiety, not because he can escape the terrible things in life but because these become weak by comparison with those of possibility. If, on the other hand, the speaker maintains that the great thing about him is that he has never been in anxiety, I will gladly provide him with my explanation: that it is because he is very spiritless."

Kierkegaard, The Concept of Anxiety