1 Corinthians 14:1-3

Young's Literal Translation

14 Pursue the love, and seek earnestly the spiritual things, and rather that ye may prophecy,

² 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;

³ and he who is prophesying to men doth speak edification, and exhortation, and comfort;