The yield of poor mines is on the surface; those are really rich whose veins lurk deep, and they will make more bountiful returns to him who delves unceasingly. So too those baubles which delight the common crowd afford but a thin pleasure, laid on as a coating, and even joy that is only plated lacks a real basis. But the joy of which I speak, that to which I am endeavouring to lead you, is something solid, disclosing itself the more fully as you penetrate into it.
