Proverbs 21:14 in the World English Bible
A gift in secret pacifies anger, and a bribe in the cloak, strong wrath.
Context
13 Whoso stoppeth his ears at the cry of the poor, he also shall cry himself, but shall not be heard.
14 A gift in secret pacifieth anger: and a reward in the bosom strong wrath.
15 It is joy to the just to do judgment: but destruction shall be to the workers of iniquity.