Sophie

“For a time, I was quite literally at loss as to what to do with myself. For more than half a century I had looked after Suleiman.My daily existence had been shaped by his needs, his companionship. Now I was free to do as I wished, but I found the freedom illusory, for what I wished for the most had been taken from me. They say, find a purpose in your life and live it. But, sometimes, it is only after you have lived that you recognize your life had a purpose, and likely one you never had in mind. And now that I had fulfilled mine, I felt aimless and adrift.”
― Khaled Hosseini, And the Mountains Echoed

“I guess you could call it a "failure", but I prefer the term "learning experience".”
― Andy Weir, The Martian

“And a part of you wished it would just end, said the monster, even if it meant losing her.”
― Patrick Ness, A Monster Calls

“You sent him to the sky to die, assassin," Kaladin said, Stormlight puffing from his lips, "but the sky and the winds are mine. I claim them, as I now claim your life.”
― Brandon Sanderson, Words of Radiance