"Jesus gave us a powerful symbol in John 15 for this relationship of participating in the work of God. The image is that of a grapevine. The thick, long vine grows along the ground or attaches itself by tendrils to another tree or a frame. From the vine, little branches shoot out, intertwining as they climb. From these branches the clusters of grapes come forth. A cultivated grapevine may grow very long and high, with many bunches of fruit hanging down.
The grapevines had long been a symbol for Israel, God’s people. Commentator Ray Summers notes that on the temple in Jerusalem, a huge grapevine was carved into the stone of the entrance. Its trunk rose higher than a person and its branches spread out farther above, adorned with rich gold leaves and bunches of gilded grapes. Moreover, during the brief time of Israel’s revolt against Rome, the coins minted bore the grapevine as the symbol of the nation. The grapevine served as an image of hope that the people could be something fruitful for their God.
But in reality, the grapevine became a reminder of failure. The Hebrew prophets often employed this figure of speech in terms of judgment (see Isaiah 5:1-10): Israel, the vine that had not produced the fruit God expected. Instead of choice fruit, wild grapes had sprung forth worthless either for wine or food. God’s people, by their own efforts, could not fulfill their task in the world.
Jesus, however, employed the symbol in a new way. Summers suggests that the conversation recorded in John 15, on the night before the crucifixion, may have taken place near the Temple, under the light of the Passover moon, with its beams shining upon the engraved vine on the temple entrance. Here Jesus said, “I am the vine, you are the branches” (John 15:5). This understanding is crucial. Jesus took Israel’s place. He stood in for God’s people as the one who is expected to produce the fruit of obedience, worship, and faithfulness. In effect, Jesus said, “I am that vine on the Temple. I have come to be the source, the very plant that produces fruit for God. Now you are the branches that grown from me, the vine. You are the tiny shoots that come forth and in due season bear the grapes. So stay connected to me.”
Jesus’ image was stunningly obvious. Branches don’t try to live apart from the vine. They are just there, effortlessly letting the vine produce its life through them, resulting in a harvest of grapes. No branch leaps off the tree. No branch tries to do anything. Branches simply remain, held by the vine, yielding fruit. We are to do the same. Not remaining in the vine has predictable consequences: “Abide in me as I abide in you. Just as the branch cannot bear fruit by itself unless it abides in the vine, neither can you unless you abide in me. …Those who abide in me and I in them bear much fruit, because apart from me you can do nothing” (John 15:4-5). Cut off from the vine, the branches might as well be thrown away. Apart from Christ, we can do nothing.
…What are we supposed to do in the world for God? We begin by abiding in the vine. Moment by moment as life happens around us, we say, “Jesus, produce your life in me. I will go where ou send me. I offer my life in your service to those around me—not because I am even able to be available to you but because you have grafted me into the vine. You produce fruit through me.” Living reliance on the vine makes radical availability possible.
…This reliance runs counter to our usual thinking. We chastise ourselves: I must do more for God. It seems impossible that doing nothing for God of our own will accomplishes far more. It feels as if we’ll just be sitting around singing while the world dies. But as we begin to abide in the vine, inviting Jesus to produce his life in us and getting ourselves out of the way, our lives will become fruitful beyond imagination.
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Companions in Christ pp191-192, 194