Sincerity matters

Telling if something is genuine

1. What happened

Acts 18v1-19; 1 Corinthians 5:9, 1 Cor 4:17, 1 Cor 7:1, 2 Cor 2:1, 2 Cor 10:10, 2 Cor 2:12, 2 Cor 7:5-9

2. Why it matters (2 Cor 1:12-22)

3. Why it happened (2 Cor 2:1-13)