1 Corinthians 14 2
Those who speak in a tongue are not talking to people, but to God, because nobody can understand them as they speak mysteries in the Spirit.
Compare with other 3 random translations
WEB 1 Corinthians 14:2For he who speaks in another language speaks not to men, but to God, for no one understands, but in the Spirit he speaks mysteries.
NAS 1 Corinthians 14:2For the one who speaks in a tongue does not speak to people, but to God; for no one understands, but in his spirit he speaks mysteries.
AMP 1 Corinthians 14:2For one who speaks in an unknown tongue does not speak to people but to God; for no one understands him or catches his meaning, but by the Spirit he speaks mysteries [secret truths, hidden things].