GOD'S WORD® Translation
When a person speaks in another language, he doesn't speak to people but to God. No one understands him. His spirit is speaking mysteries.

American Standard Version
For he that speaketh in a tongue speaketh not unto men, but unto God; for no man understandeth; but in the spirit he speaketh mysteries.

Berean Study Bible
For he who speaks in a tongue does not speak to men, but to God. Indeed, no one understands him; he utters mysteries in the Spirit.

Douay-Rheims Bible
For he that speaketh in a tongue, speaketh not unto men, but unto God: for no man heareth. Yet by the Spirit he speaketh mysteries.

English Revised Version
For he that speaketh in a tongue speaketh not unto men, but unto God; for no man understandeth; but in the spirit he speaketh mysteries.

King James Bible
For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandeth him; howbeit in the spirit he speaketh mysteries.

World English Bible
For he who speaks in another language speaks not to men, but to God; for no one understands; but in the Spirit he speaks mysteries.

Young's Literal Translation
for he who is speaking in an unknown tongue -- to men he doth not speak, but to God, for no one doth hearken, and in spirit he doth speak secrets;

1 Corinthians 14:2 Additional Translations ...