That all who are happy, are equally happy, is not true. A peasant and a philosopher may be equally satisfied, but not equally happy. Happiness consists in the multiplicity of agreeable consciousness.

Johnson, Samuel and James Boswell. "The Journal of a Tour to the Hebrides." A Journey to the Western Islands of Scotland and the Journal of a Tour to the Hebrides, edited by Jack Lynch and Celia Barnes. Oxford University Press, 2021.

Madison, James. "No. 51: How to maintain: make the parts check each other. Also, a federal system divides power further.--Madison (or Hamilton)." The Federalist: A Commentary on the Constitution of the United States, edited by Robert Scigliano. The Modern Library, 2001.

Benjamin, Walter. One-Way Street, translated by Edmund Jephcott, edited by Michael W. Jennings. Belknap Press, 2016.

Pope, Alexander. "An Essay on Criticism." The Major Works, edited by Pat Rogers. Oxford University Press, 2009, pt. 2, I. 626.