Immanuel Kant (2015). “The Critique of Judgment: Theory of the Aesthetic Judgment and Theory of the Teleological Judgment: Critique of the Power of Judgment from the Author of Critique of Pure Reason, Critique of Practical Reason, Fundamental Principles of the Metaphysics of Morals & Dreams of a Spirit-Seer”, p.170, e-artnow
Ralph Waldo Emerson, Robert Ernest Spiller, Alfred Riggs Ferguson, Joseph Slater, Jean Ferguson Carr (1971). “The Collected Works of Ralph Waldo Emerson”, p.297, Harvard University Press