¹⁹ However in the assembly I would rather speak five words with my understanding, that I might instruct others also, than ten thousand words in another language.

²¹ In the law it is written, "By men of strange languages and by the lips of strangers I will speak to this people. Not even thus will they hear me, says the Lord."

²² Therefore other languages are for a sign, not to those who believe, but to the unbelieving; but prophesying is for a sign, not to the unbelieving, but to those who believe.

⁴ He who speaks in another language edifies himself, but he who prophesies edifies the assembly.