1 Corinthians 3:10

3:10 According to the grace of God given to me, like a skilled master-builder I laid a foundation, but someone else builds on it. And each one must be careful how he builds.

1 Corinthians 14:7

14:7 It is similar for lifeless things that make a sound, like a flute or harp. Unless they make a distinction in the notes, how can what is played on the flute or harp be understood?

1 Corinthians 14:9

14:9 It is the same for you. If you do not speak clearly with your tongue, how will anyone know what is being said? For you will be speaking into the air.

1 Corinthians 15:12

No Resurrection?

15:12 Now if Christ is being preached as raised from the dead, how can some of you say there is no resurrection of the dead?