The rock or the sand?

There’s a passage of the Bible that makes an interesting, and I believe extremely profound, reference. It mentions not being foolish like a man who builds his house on a foundation of sand; and when the storms came this house built on sand collapsed. And then there’s the wise man who built his house on a foundation of rock; and when the storms came, and the storms were mighty, this house built on rock remained standing.

What does this passage mean? Well it’s open to interpretation, and I’m definitely not a Biblical scholar, but I believe this passage is expressing metaphor. The sand being referenced is the world. Consider the nature of sand: it shifts, it changes, it blows away, it slips through your fingers and it’s gone. Doesn’t this have a similar character to the world, which is beyond our full control and unpredictable and can change fundamentally in an instant? Then there’s rock, which is reliable and constant and unchanging. And what is the rock a metaphor of? I believe it’s met…