1 Corinthians 14:13

Therefore, the one who speaks in a tongue should pray that he may interpret.

Berean Standard Bible
Other translations

King James Version

Wherefore let him that speaketh in an unknown tongue pray that he may interpret.

World English Bible

Therefore let him who speaks in another language pray that he may interpret.

American Standard Version

Wherefore let him that speaketh in a tongue pray that he may interpret.

Geneva Bible 1599

Wherefore, let him that speaketh a strange tongue, pray, that he may interprete.

Darby Translation

Wherefore let him that speaks with a tongue pray that he may interpret.

Young's Literal Translation

wherefore he who is speaking in an [unknown] tongue — let him pray that he may interpret;

Bible in Basic English

For this reason, let the man who has the power of using tongues make request that he may, at the same time, be able to give the sense.

In context

12It is the same with you. Since you are eager to have spiritual gifts, strive to excel in gifts that build up the church.

14For if I pray in a tongue, my spirit prays, but my mind is unfruitful.

Read 1 Corinthians 14