Proverbs 17:9
"He that covereth a transgression seeketh love; but he that repeateth a matter separateth very friends."
Cross References (ranked by relevance)
Proverbs 10:12
27
Hatred stirreth up strifes: but love covereth all sins.
1 Peter 4:8
22
And above all things have fervent charity among yourselves: for charity shall cover the multitude of sins.
Proverbs 16:28
13
A froward man soweth strife: and a whisperer separateth chief friends.
Psalm 32:1
Blessed is he whose transgression is forgiven, whose sin is covered.