Thunderously, inarguably, the Sermon on the Mount proves that before God we all stand on level ground: murderers and temper-throwers, adulterers and lusters, thieves and coveters. We are all desperate, and that is in fact the only state appropriate to a human being who wants to know God. Having fallen from the absolute Ideal, we have nowhere to land but in the safety net of absolute grace.

The Old Testament anticipates [Jesus] all the way through.

In the stories of extravagant grace given to us by Jesus, there are no loopholes disqualifying us from God's love.

The Christian sees the world as a transitional home badly in need of rehab, and we are active agents in that project.

O God, make the bad people good, and the good people nice

As I look around on Sunday morning at the people populating the pews, I see the risk that God has assumed. For whatever reason, God now reveals himself in the world not through a pillar of smoke and fire, not even through the physical body of his Son in Galilee, but through the mongrel collection that comprises my local church and every other such gathering in God’s name. (p. 68, Church: Why Bother?)

Individuals and societies are not helpless victims of heredity. We have the power to change - not by looking "down" to nature but "up" to God, who consistently calls us forward to become the people we were designed to be. A confused world urgently needs a model of what that looks like. If Christians fail to provide that model, who will?