For even though I am absent [from you] in body, nevertheless I am with you in spirit, delighted to see your good discipline [as you stand shoulder to shoulder and form a solid front] and to see the stability of your faith in Christ [your steadfast reliance on Him and your unwavering confidence in His power, wisdom, and goodness].

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.

If you have died with Christ to the elementary principles of the world, why, as if you were still living in the world, do you submit to rules and regulations, such as,

These practices indeed have the appearance [that popularly passes as that] of wisdom in self-made religion and mock humility and severe treatment of the body (asceticism), but are of no value against sinful indulgence [because they do not honor God].

and in these [sinful things] you also once walked, when you were habitually living in them [without the knowledge of Christ].