1 Corinthians 7:18

7:18 Was anyone called after he had been circumcised? He should not try to undo his circumcision. ¹  Was anyone called who is uncircumcised? He should not get circumcised.

1 Corinthians 14:27

14:27 If someone speaks in a tongue, it should be two, or at the most three, one after the other, and someone must interpret.

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¹ tn Grk “Let him not pull over the foreskin,” that is, attempt to reverse the appearance of circumcision by a surgical procedure. This was sometimes done by Hellenistic Jews to hide the embarrassment of circumcision (1 Macc 1:15; Josephus, Ant. 12.5.1 [12.241]). Cf. BDAG 380 s.v. ἐπισπάω 3.