Colossians 2:7 (BSB)

rooted and built up in Him, established in the faith as you were taught, and overflowing with thankfulness.

From Colossians 2. Also in the ESV.

Commentary on Colossians 2:7

• John Calvin (Reformed), Calvin's Commentaries on Colossians 2:7: 7. And confirmed in the faith. He now repeats without a figure the same thing that he had expressed by metaphors, — that the prosecution of the way, the support of the root, and of the foundation, is firmness and steadfastness of faith.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Colossians 2:4-12: The apostle cautions the Colossians against deceivers (Col 2:4): And this I say lest any man beguile you with enticing words; and Col 2:8, Lest any man spoil you. He insists so much upon the perfection of Christ and the gospel revelation, to preserve them from the ensnaring insinuations of those who would corrupt their principles. Note, 1. The way in which Satan spoils souls is by beguiling them.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Colossians 2:7: Rooted and built up in him,.... By these metaphors, the apostle expresses the safe and happy state of these believers; and which he makes use of as arguments, to engage them to walk on in Christ, and as pointing out the manner in which they should.
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Colossians 2:7: Verse 7. Rooted--in him. As a tree strikes its roots deep in the earth, so our faith should strike deep into the doctrine respecting the Saviour. See the phrase here used explained in the parallel place in . And stablisheth in the faith, as ye have been taught. To wit, by the founders of the church, and by those faithful ministers who had succeeded them. . Abounding therein with thanksgiving.