Ben Sira 6:5

5 Sweet language will multiply friends: and a fairspeaking tongue will increase kind greetings.

Ben Sira 6:5 In-Context

3 Thou shalt eat up thy leaves, and lose thy fruit, and leave thyself as a dry tree.
4 A wicked soul shall destroy him that hath it, and shall make him to be laughed to scorn of his enemies.
5 Sweet language will multiply friends: and a fairspeaking tongue will increase kind greetings.
6 Be in peace with many: nevertheless have but one counsellor of a thousand.
7 If thou wouldest get a friend, prove him first and be not hasty to credit him.
The King James Version is in the public domain.