11 A shoot will come up from the stump of Jesse;
from his roots a Branch will bear fruit.
2 The Spirit of the Lord will rest on him—
the Spirit of wisdom and of understanding,
the Spirit of counsel and of power,
the Spirit of knowledge and of the fear of the Lord—
3 and he will delight in the fear of the Lord.
He will not judge by what he sees with his eyes,
or decide by what he hears with his ears;
4 but with righteousness he will judge the needy,
with justice he will give decisions for the poor of the earth.
He will strike the earth with the rod of his mouth;
with the breath of his lips he will slay the wicked.
5 Righteousness will be his belt
and faithfulness the sash around his waist.
6 The wolf will live with the lamb,
the leopard will lie down with the goat,
the calf and the lion and the yearling together;
and a little child will lead them.
7 The cow will feed with the bear,
their young will lie down together,
and the lion will eat straw like the ox.
8 The infant will play near the hole of the cobra,
and the young child put his hand into the viper’s nest.
9 They will neither harm nor destroy
on all my holy mountain,
for the earth will be full of the knowledge of the Lord
as the waters cover the sea.
10 In that day the Root of Jesse will stand as a banner for the peoples; the nations will rally to him, and his place of rest will be glorious.
Wherever God’s kingdom breaks forth, it leads to unnatural reconciliation (i.e. “the cow will feed with the bear). People that “should” be enemies find themselves drawn into fellowship. People who are justified holding onto bitterness and plotting revenge uncover a willingness (and even a desire) to forgive.
But this amazing and unnatural turn of the heart cannot be manufactured in and of ourselves. Our hearts are not bent towards justice, mercy, love, and grace. That’s one of the reasons Jesus came: not just to show us the way to live and but to give us a new heart (i.e. “a new set of desires”) that makes that kind of life possible.
The Christian life cannot be lived simply by “applying ourselves” to try to follow Jesus. It starts–and is sustained–with us asking God for a new heart.