De Unamuno, Miguel. Del Sentimiento Tragico de la Vida [The Tragic Sense of Life]. Sociedad anónima Editorial, 1913, ch. 5.
Below are one or more quotes that share at least one tag with the quote at the top of the page
Frost, Robert. "The Road Not Taken." Mountain Interval. Henry Holt, 1916, st. 4, I. 3.
Frost, Robert. "The Road Not Taken." Robert Frost: Collected Poems, Prose, and Plays, edited by Richard Poirier and Mark Richardson. Library of America, 1995, st. 4, I. 3.
Newton, Isaac. "Axiomata sive Leges Motus: [Axioms, or Laws of Motion]." Philosophiae Naturalis Principia Mathematica [The Mathematical Principles of Natural Philosophy], vol. 1. London: Josephi Streater, 1687, law 3.
Newton, Isaac. "Axioms, or the Laws of Motion." The Principia, translated by Andrew Motte. Prometheus, 1995, law 3.
Brandeis, Louis. "What Publicity Can Do." Harper's Weekly, 20 Dec. 1913.
De Cervantes, Miguel. El ingenioso hidalgo don Quixote de la Mancha [The Ingenious Gentleman Don Quixote of La Mancha]. Madrid: Francisco de Robles, 1605.
De Cervantes, Miguel. Don Quixote, translated and edited by John Rutherford. Penguin Classics, 2003.
