breeding will tell

breeding will tell

proverb One's true nature will be revealed. If you're skeptical of someone's motives, just give it time—breeding will tell.
See also: breeding, tell, will
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

Breeding will tell.

Prov. one's character or lack of it will become known. From the beginning, he appeared to be courteous, and now he clearly has proven himself to be so. Breeding will tell.
See also: breeding, tell, will
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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