“Let a rotten saying not proceed out of your mouth, but whatever saying is good for building up as the need may be, that it may impart what is favorable to the hearers.”—EPHESIANS 4:29.
... 21, 22. What benefits do we derive from participating in spiritual conversations?
21 “Let a rotten saying not proceed out of your mouth,” counseled Paul, “but whatever saying is good for building up as the need may be, that it may impart what is favorable to the hearers.” (Ephesians 4:29; Romans 10:10)