Romans 14:4-6

Amplified Bible

⁴ Who are you to judge the servant of another? Before his own master he stands [approved] or falls [out of favor]. And he [who serves the Master—the Lord] will stand, for the Lord is able to make him stand.

⁵ One person regards one day as better [or more important] than another, while another regards every day [the same as any other]. Let everyone be fully convinced (assured, satisfied) in his own mind. ⁶ He who observes the day, observes it for the Lord. He who eats, eats for the Lord, since he gives thanks to God; while he who abstains, abstains for the Lord and gives thanks to God.