Where does the Bible say “be kind to one another”?
It is in Ephesians 4:32 · King James Version
“And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ’s sake hath forgiven you.”Read the chapter Ephesians 4 →
See also
Colossians 3:12
Put on therefore, as the elect of God, holy and beloved, bowels of mercies, kindness, humbleness of mind, meekness, longsuffering;
Colossians 3:13
Forbearing one another, and forgiving one another, if any man have a quarrel against any: even as Christ forgave you, so also do ye.