A man's concern, even his despair, over the worthwhileness of life is an existential distress but by no means a mental disease. - Viktor Frankl

Fundamentally, therefore, any man can, even under such circumstances, decide what shall become of him — mentally and spiritually. He may retain his human dignity even in a concentration camp.

We came to meadows full of flowers. We saw and realized that they were there, but we had no feelings about them. The first spark of joy came when we saw a rooster with a tail of multicolored feathers. But it remained only a spark; we did not yet belonged to this world.

"An American woman once confronted me with the reproach, “How can you still write some of your books in German, Adolf Hitler’s language?” In response, I asked her if she had knives in her kitchen, and when she answered that she did, I acted dismayed and shocked, exclaiming, "How can you still use knives after so many killers have used them to stab and murder their victims?