text: Rid me of these shadowy terrors; then you will more easily deliver to me the instruction for which I have prepared myself. At our birth nature made us teachable, and gave us reason, not perfect, but capable of being perfected. Discuss for me justice, duty, thrift, and that twofold purity, both the purity which abstains from another's person, and that which takes care of one's own self. If you will only refuse to lead me along by-paths, I shall more easily reach the goal at which I am aiming. For, as the tragic poet says: