If a man means his writing seriously, he must mean to write well. But how can he write well until he learns to see what he has written badly. His progress toward good writing and his recognition of bad writing are bound to unfold at something like the same rate.
Spontaneous is what you get after the seventeenth draft.
Within a single scene, it seems to be unwise to have access to the inner reflections of more than one character. The reader generally needs a single character as the means of perception, as the character to whom the events are happening, as the character with whom he is to empathize in order to have the events of the writing happen to him.
The success of the poem is determined not by how much the poet felt in writing it, but by how much the reader feels in reading it.
General rules have been legislated into being by past masters.