What is the context?
Paul explains why he will continue his approach to support: he wants to undercut people seeking to be regarded as his equals in what they boast about. This follows his account of serving Corinth without becoming a financial burden to them.
He now identifies the people he means as false apostles and deceitful workers. They present themselves as apostles of Christ, while the message and conduct Paul has described expose a different reality. The issue concerns the truth of their claim to represent Him.
Paul uses Satan’s own disguise as an angel of light to explain how such deception can appear credible. A presentation that looks righteous can conceal service to a different master.
The paragraph ends with accountability: their end will correspond to their actions. An impressive religious appearance cannot determine the final verdict.
How is this passage commonly understood?
Christians commonly understand this as a warning that religious appearance can conceal deception. Wesley’s notes on verses 14–15 and the USCCB note on verses 13–15 both connect the disguise with Paul’s exposure of false workers and their eventual judgment.
Where does this fit in God's plan?
1 John 4:1–6 also warns about false prophets and calls believers to test what they hear by the truth about Jesus and the apostolic message. It joins discernment with confidence that the One in God’s people is greater than the one in the world.
That wider setting gives both seriousness and hope to Paul’s warning. God’s people are called to remain faithful to Christ while relying on the God who is with them. The reality of deception belongs alongside His greater power.
What is our position?
Our study Should We Seek Signs From God?, in its section on testing what we are told, draws on verse 14 to explain why a reassuring appearance or feeling cannot establish that something comes from God. Scripture supplies the standard by which an experience is tested. This applies the verse’s warning about disguise without making a feeling the proof of its source.