Make what is absolutely new—I can't,
Mar what is made already well enough—
I won't: but turn to best account the thing
That 's half-made—that I can. Two blots, you saw
I knew how to extend into a line
Symmetric on the sheet they blurred before—
Such little act sufficed, this time, such thought.
Now, we 'll extend rays, widen out the verge,
Describe a larger circle; leave this first
Clod of an instance we began with, rise