Mark 9:50
Salt is good: but if the salt have lost his saltiness, with which will you season it? Have salt in yourselves, and have peace one with another.
Torrey's Topical Textbook—AKJV

1 Thessalonians 5:13
And to esteem them very highly in love for their work's sake. And be at peace among yourselves.
Torrey's Topical Textbook—AKJV