In my own time there have been inventions of this sort,...

In my own time there have been inventions of this sort, transparent windows tubes for diffusing warmth equally through all parts of a building short-hand, which has been carried to such a perfection that a writer can keep pace with the most rapid speaker. But the inventing of such things is drudgery for the lowest slaves; philosophy lies deeper. It is not her office to teach men how to use their hands. The object of her lessons is to form the soul.