Shared ground
Paul is answering a credibility problem, not doing a detached lesson about money. He accepts one point his critics might grant—he did not “burden” the Corinthians financially—and then brings the harsher suspicion into the open: that he avoided direct support because he was “crafty” and used trickery (textual claim: an accusation is voiced).
His rebuttal is not mainly theoretical. He turns to concrete evidence the Corinthians could check: the behavior of the representatives he sent, especially Titus (textual claims: Paul sent people; he urged Titus; he sent a brother; he denies exploitation through them).
He also frames the issue as a pattern of life and motive, not a one-time transaction. “Same spirit” and “same steps” present Paul and his co-workers as acting in a consistent way, not as a split team where others do what he would not do publicly (textual claim: they walked in the same spirit).
Where interpretation differs (only where needed)
1) Is v.16 Paul quoting critics or describing himself ironically? Some read “being crafty, I caught you” as Paul repeating an accusation (or using irony) in order to refute it with questions in vv.17–18. Others think Paul briefly acknowledges he used “craftiness” in a positive sense (wise strategy), though “deception” still sounds negative.
2) What exactly is the alleged “catching” about? Many take it as financial manipulation—getting money indirectly while claiming not to take support. Others broaden it to relational control or persuasive pressure generally, with money being one prominent example in Corinth.
3) What does “same spirit” mean? Some see it mainly as shared attitude and approach (same way of working). Others hear a stronger claim that God’s Spirit shaped their shared conduct. Either way, the point in context is consistency between Paul and his envoys.
Why the disagreement exists
The wording of v.16 can be read two ways: as Paul’s voice or as the critics’ spin voiced for rebuttal. The text does not explicitly say “they say,” so readers decide based on tone and flow. Also, terms like “catch” and “same spirit” are somewhat broad, so interpreters weigh the immediate money-and-integrity context (12:14–15) against the larger “whole-ministry” defense in chapters 10–13.
What this passage clearly contributes
- Paul treats transparency in handling resources and relationships as essential to ministry credibility (explicit in the denials of exploitation and appeal to observable conduct).
- He argues that integrity includes the conduct of one’s delegates: indirect methods still count as one’s responsibility (explicit in his questions about those he sent).
- He presents shared, consistent behavior (“same spirit,” “same steps”) as evidence against the charge of a hidden scheme (explicit claim plus a straightforward inference about the purpose of the appeal).