1 Corinthians 14:23   (Read all of 1 Corinthians 14)

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?

1 Corinthians 14:39   (Read all of 1 Corinthians 14)

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

Revelation 7:9   (Read all of Revelation 7)

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;

Revelation 10:11   (Read all of Revelation 10)

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

Revelation 11:9   (Read all of Revelation 11)

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.

Revelation 13:7   (Read all of Revelation 13)

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.

Revelation 16:10   (Read all of Revelation 16)

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,

Revelation 17:15   (Read all of Revelation 17)

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