1 Corinthians 14:11

14:11 If then I do not know the meaning of a language, I will be a foreigner to the speaker and the speaker a foreigner to me.

1 Corinthians 13:2

13:2 And if I have prophecy, and know all mysteries and all knowledge, and if I have all faith so that I can remove mountains, but do not have love, I am nothing.