“Human reason can excuse any evil.”

“Human reason can excuse any evil; that is why it's so important that we don't rely on it.”

“Decades ago, our ancestors realized that it is not just political ideology, religious belief, race, or nationalism that is to blame for a warring world. Rather, they determined that it was the fault of human personality - of humankind's inclination towards evil, in whatever form that is. They divided into factions that sought to eradicate those qualities they believed responsible for the world's disarray.”

“Evil depends on where you're standing.”

“I read somewhere, once, that crying defies scientific explanation. Tears are only meant to lubricate the eyes. There is no real reason for tear glands to overproduce tears at the behest of emotion. I think we cry to release the animal parts of us without losing our humanity.”

“You're more than Dauntless," he says in a low voice. "But if you want to be just like them, hurling yourself into ridiculous situations for no reason and retaliating against your enemies without any regard for what's ethical, go right ahead. I thought you were better than that, but maybe I was wrong.”

“I read somewhere, one, that crying defies scientific explanation. Tears are only meant to lubricate the eyes. There is no real reason for tear glands to overproduce tears at the behest of emotion.I think we cry to release the animal parts of us without losing our humanity. Because inside of me is a beast that snarls, and growls, and strains toward freedom, toward Tobias, and, above all, towards life. And as hard as I try, I cannot kill it.”