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For if I pray in an unknown tongue, my spirit prayeth, but my understanding is unfruitful.

I thank my God, I speak with tongues more than ye all:

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.

Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.

If therefore the whole church be come together into one place, and all speak with tongues, and there come in those that are unlearned, or unbelievers, will they not say that ye are mad?

How is it then, brethren? when ye come together, every one of you hath a psalm, hath a doctrine, hath a tongue, hath a revelation, hath an interpretation. Let all things be done unto edifying.

If any man speak in an unknown tongue, let it be by two, or at the most by three, and that by course; and let one interpret.

Wherefore, brethren, covet to prophesy, and forbid not to speak with tongues.

And that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.

If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.

Even so the tongue is a little member, and boasteth great things. Behold, how great a matter a little fire kindleth!

And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.

But the tongue can no man tame; it is an unruly evil, full of deadly poison.

For he that will love life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile:

My little children, let us not love in word, neither in tongue; but in deed and in truth.

And they sung a new song, saying, Thou art worthy to take the book, and to open the seals thereof: for thou wast slain, and hast redeemed us to God by thy blood out of every kindred, and tongue, and people, and nation;

After this I beheld, and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands;

And he said unto me, Thou must prophesy again before many peoples, and nations, and tongues, and kings.

And they of the people and kindreds and tongues and nations shall see their dead bodies three days and an half, and shall not suffer their dead bodies to be put in graves.

And it was given unto him to make war with the saints, and to overcome them: and power was given him over all kindreds, and tongues, and nations.

And I saw another angel fly in the midst of heaven, having the everlasting gospel to preach unto them that dwell on the earth, and to every nation, and kindred, and tongue, and people,

And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,

And he saith unto me, The waters which thou sawest, where the whore sitteth, are peoples, and multitudes, and nations, and tongues.