A.T. Robertson Commentary Romans 14:18

"For he that herein serveth Christ is well-pleasing to God, and approved of men." — Romans 14:18 (ASV)

Herein (εν τουτω). "On the principle implied by these virtues" (Sanday and Headlam).

Approved of men (δοκιμος τοις ανθρωποις). "Acceptable to men." Stands the test for men. See 1 Corinthians 11:19; 2 Corinthians 10:18; 2 Timothy 2:15.