Romans 14:5-6 NIV

5 One person considers one day more sacred than another; another considers every day alike. Each of them should be fully convinced in their own mind.

References for Romans 14:5

6 Whoever regards one day as special does so to the Lord. Whoever eats meat does so to the Lord, for they give thanks to God; and whoever abstains does so to the Lord and gives thanks to God.

References for Romans 14:6