1 Corinthians 4:17

4:17 For this reason, I have sent Timothy to you, who is my dear and faithful son in the Lord. He will remind you of my ways in Christ, as I teach them everywhere in every church.

1 Corinthians 8:13

8:13 For this reason, if food causes my brother or sister to sin, I will never eat meat again, so that I may not cause one of them to sin.

1 Corinthians 9:16

9:16 For if I preach the gospel, I have no reason for boasting, because I am compelled to do this. Woe to me if I do not preach the gospel!

1 Corinthians 11:27

11:27 For this reason, whoever eats the bread or drinks the cup of the Lord in an unworthy manner will be guilty of the body and blood of the Lord.