² For anyone who speaks in a tongue^[a](A) does not speak to people but to God. Indeed, no one understands them;^(B) they utter mysteries^(C) by the Spirit.

⁴ Anyone who speaks in a tongue^(A) edifies^(B) themselves, but the one who prophesies^(C) edifies the church.

³⁹ Therefore, my brothers and sisters, be eager^(A) to prophesy,^(B) and do not forbid speaking in tongues.