The cross of Christ is God's decisive answer to the problem of sin and its devastating power over us.
See Jeremiah 31:31-34 and Luke 22:14-23. This is language first used in Jeremiah's promise of rescue and renewal of the exiled people of God...
“May the God of hope fill you with all joy and peace in believing, so that by the power of the Holy Spirit you...
Then Moses said, "Now show me your glory." And the LORD said, "I will cause all my goodness to pass in front of you,...