Be ye kind to one another (γινεσθε εις αλληλους χρηστο). Present middle imperative of γινομα, "keep on becoming kind (χρηστος, used of God in Romans 2:4) toward one another." See Colossians 3:12.

Tenderhearted (ευσπλαγχνο). Late word (ευ, σπλαγχνα) once in Hippocrates, in LXX, here and 1 Peter 3:8 in N.T.