Parallel
Romans 14:22
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
Hast thou faith? have it to thyself before God. Happy is he that condemneth not himself in that thing which he alloweth.
Keep your belief about such matters between yourself and God (note: Literally Keep the faith that you have to yourself before God). Blessed is the one who does not condemn himself by what he approves.