1 Corinthians 10:23 All things are lawful for me, but all things are not expedient: all things are lawful for me, but all things edify not.

1 Corinthians 11:24-26 "and when he had given thanks, he broke it, and said, “This is my body, which is for you. Do this in remembrance of me.” In the same way also he took the cup, after supper, saying, “This cup is the new covenant in my blood. Do this, as often as you drink it, in remembrance of me.” For as often as you eat this bread and drink the cup, you proclaim the Lord’s death until he comes."

1 Corinthians 8;3 "But if anyone loves God, he is known by God."

1 Corinthians 9:17 "For if I do this of my own will, I have a reward, but if not of my own will, I am still entrusted with a stewardship."