"There are certain things that can be perceived better in the world of subterranean darkness, as every experienced miner will testify: secret things and even mysteries which one can only perceive in the black tunnels of the earth. And yet the longer one spends underground, the harder it is to return to the world aboveground, where sunlight is.

"Yet the realities of the soul, though intangible, are realities nonetheless. They must therefore be sought out and scrutinized, studied and contemplated, so that they're ultimately understood — even though profound realities such as these exist at unfathomable depths, beneath the surface."