Gideon

“God does not play dice with the universe; He plays an ineffable game of His own devising, which might be compared, from the perspective of any of the other players [i.e. everybody], to being involved in an obscure and complex variant of poker in a pitch-dark room, with blank cards, for infinite stakes, with a Dealer who won't tell you the rules, and who smiles all the time.”
― Terry Pratchett, Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch

“Where you used to be, there is a hole in the world, which I find myself constantly walking around in the daytime, and falling in at night. I miss you like hell.”
― Edna St. Vincent Millay

“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.”
― Friedrich Nietzsche

“The truth will set you free. But not until it is finished with you.”
― David Foster Wallace, Infinite Jest