From Thirst To Rivers

“On the last day of the feast, the great day, Jesus stood up and cried out, ‘If anyone thirsts, let him come to me and drink. Whoever believes in me, as the Scripture has said, ‘Out of his heart will flow rivers of living water.’ Now this he said about the Spirit, whom those who believed in him were to receive, for as yet the Spirit had not been given, because Jesus was not yet glorified.” – John 7:37-39

During the Festival of Booths (Deuteronomy 16:13, Numbers 29:12), there was a ceremony of water-pouring that, though never recorded in the Bible, is well-documented historically: at dawn on the first seven days of the festival, a priest would lead a procession down to the pool of Siloam, where a golden pitcher was filled with water. The procession returned to the temple as the morning sacrifice was being offered, and the water was poured out at the altar as the temple choir began to sing the Great Hallel (Psalms 113-118). The ceremony was not enacted on the eighth day. It is among a crowded throng of thirsty pilgrims, after enactment of God’s past provision and their continued need, that Jesus makes this proclamation, the same one he made to a solitary Gentile woman by a well (4:14).

Jesus gives us the living water of eternal life. But he doesn’t go on to say, “into” our hearts will flow living water. That would be the logical conclusion. The movement is in the opposite direction: “out of” our hearts flow rivers. No one knows for sure what Jesus is quoting here, but one possible reference is Ezekiel 47, where we see water flowing from the temple, first ankle-deep, then knee-deep, then waist-deep, then becoming a river that one cannot pass through. A river deep enough to swim in, that gives life wherever it goes, on whose banks are trees with leaves that do not wither and fruit for healing. We see similar imagery in Revelation 22, where the “river of the water of life, bright as crystal” flows from the throne of God through the city with the tree of life on its banks. 

And so, this is not just water-talk, but temple-talk. Jesus is God tabernacling on earth; the Spirit flows like the river, received after Jesus was “glorified.” “Throughout John’s gospel,” writes N.T. Wright, “there is a build-up towards the ‘glorification,’ the ‘lifting up,’ of Jesus—which turns out to be, with heavy paradox, the crucifixion of Jesus seen as the moment when his glory is fully and finally revealed, when the love of God which was always at work in him shines out most fully.” We are filled with the Spirit not for our own sake, but for the sake of spreading God’s glory and life into the wider world. This is a feast not only of celebration, but of vocation. After all, that was the ceremony: the filling in, the pouring out. We drink not to become lakes, but rivers, until “the earth will be filled with the knowledge of the glory of the Lord as the waters cover the sea” (Habakkuk 2:14).