1 Korintus 14:2

14:2 For the one speaking in a tongue does not speak to people but to God, for no one understands; he is speaking mysteries by the Spirit. ¹ 

1 Korintus 14:4

14:4 The one who speaks in a tongue builds himself up, ²  but the one who prophesies builds up the church.

[14:2]  ¹ tn Or “with the spirit”; cf. vv. 14-16.

[14:4]  ² sn The Greek term builds (himself) up does not necessarily bear positive connotations in this context.