19 Yet in the church I had rather speak five words with my understanding, that by my voice I might teach others also, than ten thousand words in an unknown tongue.
1 Corinthians 14:19 Cross References - KJ2000
1 Corinthians 14:4
4 He that speaks in an unknown tongue edifies himself; but he that prophesies edifies the church.
1 Corinthians 14:21-22
21 In the law it is written, With men of other tongues and other lips will I speak unto this people; and yet for all that will they not hear me, says the Lord.
22 Therefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serves not for them that believe not, but for them that believe.