If the whole world is evil, ...

If the whole world is evil, then the tragedy that befell you is justified,\
If the whole world is evil, then the tragedy that befell you is justified," she went on. "That would make it easier for you to accept the deaths of your wife and daughters. But if good people do exist, then, however much you deny it, your life will be unbearable; because fate set a trap for you, and you know you didn't deserve it. It isn't the light you want to recover, it's the certainty that there is only darkness.

Quotes from the same author

Write your plans in pencil and give God the eraser.
“Defeat exists but not suffering. A true warrior knows that when he loses a battle, he is improving the skill with which he wields a sword. He will be able to fight more skillfully next time.”
The warrior is always trying to improve.
A warrior takes every opportunity to teach himself.
A warrior cannot lower his head - otherwise he loses sight of the horizon of his dreams.