Aiyu

“I wish it need not have happened in my time," said Frodo.
"So do I," said Gandalf, "and so do all who live to see such times. But that is not for them to decide. All we have to decide is what to do with the time that is given us.”
― J.R.R. Tolkien, The Fellowship of the Ring

“Man only likes to count his troubles; he doesn't calculate his happiness.”
― Fyodor Dostoevsky, Notes from Underground, White Nights, The Dream of a Ridiculous Man, and Selections from The House of the Dead

“Man, the bravest of animals, and the one most accustomed to suffering, does not repudiate suffering as such; he desires it, he even seeks it out, provided he is shown a meaning for it, a purpose of suffering. The meaninglessness of suffering, not suffering itself, was the curse that lay over mankind so far.”
― Friedrich Nietzsche, On the Genealogy of Morals

“Your worst sin is that you have destroyed and betrayed yourself for nothing.”
― Fyodor Dostoevsky, Crime and Punishment