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"Switch and be saved!"

Yesterday we looked at how Jesus declared himself to be the source of Living Water, and at how we have been drinking endlessly from wells that do not satisfy. This idea is actually not a new one; God has already used this metaphor in the Old Testament. In addition, he condemns well-digging behaviour: “My people have committed two sins: They have forsaken me, the spring of living water, and have dug their own cisterns, broken cisterns that cannot hold water.” (Jeremiah 2:13).

Yet God extends an invitation for us to “ditch and switch”, much as we change our gas suppliers to take advantage of the best deal. And God’s deal is fantastic, as this passage, essentially a marketing spiel, demonstrates:

Come, all you who are thirsty, come to the waters;

and you who have no money, come, buy and eat!

Come, buy wine and milk without money and without cost.

Why spend money on what is not bread, and your labour on what does not satisfy?

Listen, listen to me, and eat what is good, and your soul will delight in the richest of fare.

Give ear and come to me; hear me, that your soul may live.” (Isaiah 55: 1-3).

Sin and bad habits may provide us with immediate enjoyment, but they will undoubtedly disappoint us later, leaving us thirsting for more, working harder to find the same level of pleasure. That is like continually digging in a cistern that doesn’t hold water.

So why labour ourselves? The food and drink provided by God – his Word – is not only free, but satisfying, with eternal life as its fruit. What is holding us back from ditching and switching?