He who has a why to live for can bear almost any how.
There are two different types of people in the world, those who want to know, and those who want to believe.
That which does not kill us makes us stronger.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.
Sometimes people don't want to hear the truth because they don't want their illusions destroyed.
He who has a why to live for can bear almost any how.
The advantage of a bad memory is that one enjoys several times the same good things for the first time.
No one can construct for you the bridge upon which precisely you must cross the stream of life, no one but you yourself alone.