And as Paul said these things to himself, a wave of sadness washed over them as though they’d been written in sand. He was understanding now that no man could live without roots—roots in a patch of desert, a red clay field, a mountain slope, a rocky coast, a city street. In black loan, in mud or sand or rock or asphalt or carpet, every man had his roots down deep—in home.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "And as Paul said these things to himself, a wave of sadness washed over them as though they’d been written in sand. He was understanding now that no man could live without roots—roots in a patch of desert, a red clay field, a mountain slope, a rocky coast, a city street. In black loan, in mud or sand or rock or asphalt or carpet, every man had his roots down deep—in home." in the context of "Chapter 23 (p. 227)" to mean that wisdom is timeless.