Matthew 12:35

The good person produces good things from his storehouse of goodness. But the evil person produces bad things from his storehouse of evil.

Acts 2:4-13

And they [i.e., the apostles] were all filled with [the power of] the Holy Spirit and began to speak ["the mighty accomplishments of God," See verse 11] in different languages, as the Holy Spirit gave them the ability.

Romans 15:6-11

so that in [genuine] unity and with one voice, you people may honor the God and Father of our Lord Jesus Christ.

Ephesians 4:29

Do not allow unwholesome [Note: The Greek word for "unwholesome" is "rotten, diseased"] language to come from your mouth, but only what is helpful for building up those who need it, so that you can impart favor [i.e., benefit] to those who listen [to you].

Revelation 11:15

Then the seventh angel sounded its trumpet, and there were loud voices in heaven saying, "The kingdom of the world has become the kingdom of our Lord [i.e., God] and of His Christ, and He will rule forever and ever."

Treasury of Scripture Knowledge

Summary

For then will I turn to the people a pure language, that they may all call upon the name of the LORD, to serve him with one consent.

Bible References

Will

Matthew 12:35
The good person produces good things from his storehouse of goodness. But the evil person produces bad things from his storehouse of evil.
Ephesians 4:29
Do not allow unwholesome [Note: The Greek word for "unwholesome" is "rotten, diseased"] language to come from your mouth, but only what is helpful for building up those who need it, so that you can impart favor [i.e., benefit] to those who listen [to you].

That

Acts 2:4
And they [i.e., the apostles] were all filled with [the power of] the Holy Spirit and began to speak ["the mighty accomplishments of God," See verse 11] in different languages, as the Holy Spirit gave them the ability.
Romans 15:6
so that in [genuine] unity and with one voice, you people may honor the God and Father of our Lord Jesus Christ.
Revelation 11:15
Then the seventh angel sounded its trumpet, and there were loud voices in heaven saying, "The kingdom of the world has become the kingdom of our Lord [i.e., God] and of His Christ, and He will rule forever and ever."