King James Version
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.New International Version
For anyone who speaks in a tongue does not speak to men but to God. Indeed, no one understands him; he utters mysteries with his spirit.Catholic Public Domain Version
For whoever speaks in tongues, speaks not to men, but to God. For no one understands. Yet by the Spirit, he speaks mysteries