What about the Cross?

It is the Power and Wisdom of God - 1 Corithians 1:18

The selfless, radical love of God on display - John 3:16

Not Philosophy but Christ - Colossians 2:1-10

Not Legalism but Christ -  Colossians 2:11-15

Not Carnality but Christ - Colossians 3:1-11

Character of the New Man - Colossians 3:12-17, 1 Peter 3:15-16