1 Corinthians 12:9

12:9 to another faith by the same Spirit, and to another gifts of healing by the one Spirit,

1 Corinthians 14:4

14:4 The one who speaks in a tongue builds himself up, ¹  but the one who prophesies builds up the church.

[14:4]  ¹ sn The Greek term builds (himself) up does not necessarily bear positive connotations in this context.