Limits of knowledge

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The heart of another is a dark forest, always, no matter how close it has been to one’s own.

Willa Cather

The Professor's House

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Citation

Cather, Willa. The Professor's House. Alfred A. Knopf, 1925, bk. 1, ch. 8.

All we know is still infinitely less than all that still remains unknown.

William Harvey

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Citation

Harvey, William. "Dedication to Dr. Argent and Other Learned Physicians." Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus [An Anatomical Exercise on the Motion of the Heart and Blood in Living Beings]. Frankfurt: William Fitzer, 1628.

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Original Citation

Shakespeare, William. "Hamlet." Mr. William Shakespeare's Comedies, Histories, & Tragedies. London: Edward Blount and William and Isaac Jaggard, 1623, act 1, sc. 5.

Current Citation

Shakespeare, William. "Hamlet." The Norton Shakespeare, edited by Stephen Greenblatt, et al., 3rd ed., W. W. Norton & Company, 2015, act 1, sc. 5.

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Original Citation

Turgenev, Ivan. Two Women. 1855, act 1.

Current Citation

Turgenev, Ivan. A Month in the Country. Oxford University Press, 1991, act 1.

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Original Citation

Wittgenstein, Ludwig. Philosophische Untersuchungen [Philosophical Investigations]. Suhrkamp, 1953, pt. 1.

Current Citation

Wittgenstein, Ludwig. Philosophical Investigations, translated by G. E. M. Anscombe, et. al., edited by P. M. S. Hacker and Joachim Schulte. Wiley Blackwell, 2009, pt. 1.