1 Corinthians 14:19
However, in the assembly I would rather speak five words with my understanding, that I might instruct others also, than ten thousand words in another language.
World English Bible (Public Domain)
In context
Before · 1 Corinthians 14:17–18
17For you most certainly give thanks well, but the other person is not built up. 18I thank my God, I speak with other languages more than you all.
19However, in the assembly I would rather speak five words with my understanding, that I might instruct others also, than ten thousand words in another language.