COL 2:23

23 [Do not obey such] regulations/rules; they only cause people to do what their self-directed nature wants to do. [Those regulations] seem to be wise because they [urge people to] worship as mere human teachers have decided. [They urge] that [people] should humiliate themselves, and that [people] should treat their bodies harshly. But those regulations/rules do not help [people] at all to not do the sinful things that their self-directed nature wants to do.