Genesis 15: 5-12. 17-18
Human beings make covenants out of mistrust.  God makes a covenant out of love.

Philippians 3:17 - 4.1
We are measured by the standards of heaven, our true home, not the standards of the earth.

Luke 9: 28-36
We are perfected not just by our own love but by the love of others.  Christ is perfect because he is the perfectly beloved.