Shared ground
Paul’s main point is protective: he speaks the way he does “so that no one” will trick the Colossians with persuasive talk (v.4). The threat is not described as open hostility but as speech that sounds convincing.
He combines warning with reassurance. Although absent physically, he says he is “with” them in another sense (v.5) and he is genuinely encouraged by what he hears about their community life: orderly conduct and steady centered on Christ (v.5).
The passage connects beginnings to continuation. Having “received Christ Jesus as Lord” (v.6), their ongoing life is described as “walking in him” (v.6), pictured through growth-and-stability images: rooted, being built up, and being made firm in faith, in line with what they were taught, with an overflow of thanksgiving (v.7). Colossians 2:4–7
Where interpretation differs
What “received Christ Jesus as Lord” emphasizes. Some read this mainly as accepting a person—entrusting oneself to Christ and acknowledging his lordship. Others read it with more stress on receiving the apostolic message about Christ—welcoming the teaching that identifies Jesus as the Lord. Both fit the wording, and both keep the focus on Christ.
What “with you in the spirit” means. Some take it as Paul’s prayerful solidarity and deep concern despite distance. Others allow that Paul may also be describing a special spiritual awareness, though the text itself does not explain the mechanism.
Why the disagreement exists
Paul uses compressed, relational language (“received,” “with you,” “seeing”) without spelling out details. He also stacks metaphors (rooted/built up/established) without listing the exact practices those images point to. That leaves room for different emphases while staying within the paragraph’s basic direction.
What this passage clearly contributes
Explicitly, the text presents Christian stability as both communal and Christ-centered: it involves ordered life together and steadiness of faith “in Christ” (v.5). It also links perseverance to continuity with the original teaching: the ongoing Christian life is meant to match the “received” starting point and the instruction they were “taught” (vv.6–7). Gratitude is presented as a fitting outcome of being established in that faith (v.7).