Let no one judge you (mh ti uma krinetw). Prohibition present active imperative third singular, forbidding the habit of passing judgment in such matters. For krinw see on "Mt 7:1". Paul has here in mind the ascetic regulations and practices of one wing of the Gnostics (possibly Essenic or even Pharisaic influence). He makes a plea for freedom in such matters on a par with that in 1 Corinthians 8-9 ; Romans 14 ; Romans 15 . The Essenes went far beyond the Mosaic regulations. For the Jewish feasts see on "Ga 4:10". Josephus (Ant. III. 10, 1) expressly explains the "seventh day" as called "sabbata" (plural form as here, an effort to transliterate the Aramaic sabbathah).