Shared ground
Paul engages two short sayings—about freedom (“all things are lawful”) and about appetite (“foods for the belly”)—and refuses to let them function as blanket approval for whatever someone wants. The text explicitly adds two tests: whether something is actually beneficial, and whether it becomes a new controlling power (v.12).
Paul also draws a sharp distinction between the stomach/food pair and “the body.” Food and stomach are described as temporary, while the body is given a lasting purpose tied to the Lord (v.13). That purpose is then anchored in resurrection: God raised the Lord and will raise “us” as well (v.14). The passage therefore treats the body as significant in God’s future, not disposable.
Where interpretation differs
Are the slogans Paul’s view or Corinth’s catchphrases? Many readers think Paul is quoting Corinthian lines and then correcting them (“but…”). Others think at least part of “all things are lawful for me” could be Paul’s own way of stating Christian freedom, which he immediately qualifies. Either way, the passage’s direction is the same: “lawful” is not the only question.
What does “lawful” mean here? Some take it as “allowed under God’s law,” others as “permitted/within my rights.” In context (testing benefit and mastery), “lawful” functions like “I’m allowed to do this,” which Paul treats as an incomplete moral guide.
What does it mean that God will bring food and stomach ‘to nothing’? Some hear this as a statement about the temporary role of digestion (it belongs to the present age). Others think it implies a stronger contrast: appetite-based reasoning cannot define how Christians think about the body, especially in sexual ethics. Both readings agree Paul is not condemning eating; he is limiting what appetite can justify.
Why the disagreement exists
Paul is quoting short lines without explicitly marking quotation boundaries, and his “but…” responses are compact. That makes it hard to tell where a slogan ends and Paul’s correction begins, and it leaves room for different ways of explaining how v.13a connects to v.13b.
What this passage clearly contributes
The text explicitly contributes a framework: freedom claims must be evaluated by (1) what truly helps and (2) what enslaves (v.12). It also explicitly connects sexual conduct to the body’s orientation “for the Lord” (v.13) and makes a theological inference unavoidable: if God will raise the body (v.14), then bodily life has ongoing significance beyond immediate desires. The passage sets up the later argument in 1 Corinthians 6:15–20 by grounding sexual ethics in belonging to the Lord and in resurrection hope.