This above all: to thine own self be true,
And it must follow, as the night the day,
Thou canst not then be false to any man.
Authentication Score 2
Original Citation
Shakespeare, William. "Hamlet." Mr. William Shakespeare's Comedies, Histories, & Tragedies. London: Edward Blount and William and Isaac Jaggard, 1623, act 1, sc. 3.
Current Citation
Shakespeare, William. "Hamlet." The Norton Shakespeare, edited by Stephen Greenblatt, et al., 3rd ed., W. W. Norton & Company, 2015, act 3, sc. 4.