1 Corinthians 14:9

James Moffatt - New Testament

Well, it is the same with yourselves. Unless your tongue utters language that is readily understood, how can people make out what you say? You will be pouring words into the empty air!

Cross References

1 Corinthians 9:26

Well, I run without swerving; I do not plant my blows upon the empty air —

1 Corinthians 14:10

There are ever so many kinds of language in the world, everyone of them meaning something.