Our deeds determine us, as much as we determine our deeds, and until we know what has been or will be the peculiar combination of outward with inward facts, which constitutes a man's critical actions, it will be better not to think ourselves wise about his character.

Lincoln, Abraham. "Address to the Wisconsin State Agricultural Society, Milwaukee, Wisconsin, September 30, 1859." Abraham Lincoln: Speeches and Writings 1859-1865, edited by Don E. Fehrenbacher. Library of America, 1989.

Smith, Adam. The Theory of Moral Sentiments, edited by Ryan Patrick Hanley. Penguin Books, 2009, pt. 3, ch. 2.

Mill, John Stuart. "On Liberty." On Liberty, Utilitarianism and Other Essays, edited by Mark Philp and Frederick Rosen. Oxford University Press, 2015, ch. 3.