Therefore you shall be perfect, just as your Father in heaven is perfect. (Matthew 5:48)
But when that which is perfect has come, then that which is in part will be done away. (1 Corinthians 13:10)
Perfect is teleios. In this verse, Paul is using the word as complete versus incomplete; or the process to completion is the agape love of God. In this Love Chapter love is shown to be the perfection of God’s creation, His crown jewel, what He has given for man’s benefit. The passage from which the Matthew 5:48 reference is located is also the perfection, or completion of love. The only way to live the Sermon on the Mount of Matthew 5 and 6 is through the love of God. To be complete, to live teleios, is to live in God’s perfection, His love.