murder will out

murder will out idiom
Certain news cannot be suppressed, as in He's being charged with embezzlement and fraud—murder will out, you know. This expression already appeared in Chaucer's The Nun's Priest's Tale: “Murder will out that we see day by day.” [Late 1300s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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