1 Corinthians 14:19

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

Other Translation

14:19 Yet in the church I had rather speak five words with my understanding, that [by my voice] I might teach others also, than ten thousand words in an [unknown] tongue.
-King James Version