"She knew that he wore his life on his skin, that his biography was written in his flesh and on his bones." (A Little Life, Hanya Yanagihara)

...freedom is lost the moment you become a man. Things start to count. To press in. Constricting slowly, inevitably, creating a cage of inconveniences and duties and deadlines and failed plans and lost friends. (Morning Star, Pierce Brown)

"Everyone all over the earth prays to God for victory over one another, no matter what side they're on. I'm sure at some point God just shrugs and says to hell with them all.". (A Short Walk Through a Wide World, Douglas Westerbeke)

We're only pretending everything is normal because we don't know what else to do. (The Power, Naomi Alderman)

I guess humans like to watch a little destruction. Sand castles, houses of cards, that's where they begin. Their great skill is their capacity to escalate.
(The Book Thief, Markus Zusak)

"...being contented has none of the glamour of a good fight against misfortune, none of the picturesqueness of a struggle with temptation, or a fatal overthrow by passion or doubt. Happiness is never grand." (Brave New World, Aldous Huxley)

As an X-ray tech, this one tickled me:
"Then there was X-ray, who failed to show up at exactly the moment he called." (Coma, Robin Cook)

Nothing in these woods could be more dreadful, more terrifying, than the selfish cruelty of ordinary people.
(All Hallows, Christopher Golden)

"Dictatorship? Better come into the office and let me examine your heads! Why, America's the only free nation on earth. Besides! Country's too big for a revolution. No, no! Couldn't happen here!" (Sinclair Lewis, It Can't Happen Here)

"Those who don’t build must burn." (Ray Bradbury, Fahrenheit 451)