Matthew 18:19-21

19“Again, truly I tell you that if two of you on earth agree about anything they ask for, it will be done for them by my Father in heaven.

20For where two or three gather in my name, there am I with them.”

The Parable of the Unmerciful Servant 21Then Peter came to Jesus and asked, “Lord, how many times shall I forgive my brother or sister who sins against me? Up to seven times?”