Poetry is the communication through words of certain experiences that can be communicated in no other way.
So it is in poetry. All we ask is that the mood recorded shall impress us as having been of the kind that exhausts the imaginative capacity if it fails to do this the failure will announce itself either in prose or in insignificant verse.
There can be no proof that Blake's lyric is composed of the best words in the best order only a conviction, accepted by our knowledge and judgment, that it is so.
So it is in poetry. All we ask is that the mood recorded shall impress us as having been of the kind that exhausts the imaginative capacity if it fails to do this the failure will announce itself either in prose or in insignificant verse.
A lyric, it is true, is the expression of personal emotion, but then so is all poetry, and to suppose that there are several kinds of poetry, differing from each other in essence, is to be deceived by wholly artificial divisions which have no real being.
Any long work in which poetry is persistent, be it epic or drama or narrative, is really a succession of separate poetic experiences governed into a related whole by an energy distinct from that which evoked them.
But in the finished art of the song the use of words has no connection with the use of words in poetry.
For while the subjects of poetry are few and recurrent, the moods of man are infinitely various and unstable. It is the same in all arts.
If it is an imperfect word, no external circumstance can heighten its value as poetry.
It should here be added that poetry habitually takes the form of verse.