breeding will tell

breeding will tell

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

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