1 Corinthians 14:18-19

The subject here, of course, is the use of tongues without interpretation in the meetings of the church. Paul is opposed to the practice. He insists that what is spoken must be intelligible, otherwise no one is edified.

But the verse can be applied in a broader sense. When we speak, we should speak loudly enough for everyone to hear, otherwise we might just as well be speaking in a foreign language. In almost every audience there are people who are hard of hearing. It is a great trial...