Colossians 2:16-18

Therefore let no one judge you in regard to food and drink or in regard to [the observance of] a festival or a new moon or a Sabbath day. Such things are only a shadow of what is to come and they have only symbolic value; but the substance [the reality of what is foreshadowed] belongs to Christ. Let no one defraud you of your prize [your freedom in Christ and your salvation] by insisting on mock humility and the worship of angels, going into detail about visions [he claims] he has seen [to justify his authority], puffed up [in conceit] by his unspiritual mind