Rhetoric completes the tools of learning. Dialectic zeros in on the logic of things, of particular systems of thought or subjects. Rhetoric takes the next grand step and brings all these subjects together into one whole.
When my mother died I was very young, And my father sold me while yet my tongue Could scarcely cry weep weep weep weep. So your chimneys I sweep, and in soot I sleep.
Piping down the valleys wild, Piping songs of pleasant glee, On a cloud I saw a child, And he laughing said to me: "Pipe a song about a Lamb." So I piped with merry cheer; "Piper, pipe that song again." So I piped; he wept to hear.
O Winter! bar thine adamantine doors: The north is thine; there hast thou build thy dark, Deep-founded habitation. Shake not thy roofs, Nor bend thy pillars with thine iron car.