Known sourcecanonical
"Pray, Goody, please to moderate the rancour of your tongue! Why flash those sparks of fury from your eyes? Remember, when the judgment 's weak the prejudice is strong."
Kane O'Hara / Midas. Act i. Sc. 4.
Midas. Act i. Sc. 4.
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain