To get the final lilt of songs,To penetrate the inmost lore of poets—to know the mighty ones,Job, Homer, Eschylus, Dante, Shakspere, Tennyson, Emerson;To diagnose the shifting-delicate tints of love and pride and doubt—to truly understand,To encompass these, the last keen faculty and entrance-price,Old age, and what it brings from all its past experiences.