"...called to be holy, together with all those everywhere who call on the name of our Lord Jesus Christ..." (1:2). "...you were bought at a price. Therefore honor God..." (6:20). "...God has called us to live in peace." (7:15). "Everything is permissible - but not everything is beneficial... (nor) constructive." (10:23). "...whatever you do, do it all for the glory of God." (10:31). Pay special attention to chapters 12 and 13.
"Now you are the body of Christ, and each one of you is a part of it." (12:27). "...try to excel in gifts that build up the church." (14:12). All "...must be done for the strengthening of the church...in a fitting and orderly way." (14:26, 40).
Chapter 15: "...I want to remind you... By this gospel you are saved...of first importance: that Christ died for our sins according to the Scriptures, that he was buried, that he raised...and that he appeared... to Peter... Twelve (disciples) ...five hundred... James... apostles... me..." (15:1-8+). "...thanks be to God! He gives us the victory through our Lord Jesus Christ." (15:57).