1 Corinthians 14:9

A Conservative Version

So also ye, unless ye give understandable speech by the tongue, how will that which is spoken be known? For ye will be talking into the air.

Cross References

1 Corinthians 9:26

I therefore run this way, not as aimlessly. I fight this way, not as flaying air.

1 Corinthians 14:10

Since there are perhaps, so many kinds of voices in the world, and none of them is without significance.