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.
To some people a tree is something so incredibly beautiful that it brings tears to the eyes. To others it is just a green thing that stands in the way.
Since all the riches of this world
May be gifts from the Devil and earthly kings,
I should suspect that I worshipp'd the Devil
If I thank'd my God for worldly things.
I am more famed in Heaven for my works than I could well conceive. In my brain are studies & chambers filled with books & pictures of old, which I wrote and painted in ages of Eternity before my mortal life; and whose works are the delight & study of Archangels. Why, then, should I be anxious about the riches or fame of mortality?