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.
We recognise in the finished art, which is the result of these conditions, the best words in the best order - poetry; and to put this essential poetry into different classes is impossible.
To know anything of a poet but his poetry is, so far as the poetry is concerned, to know something that may be entertaining, even delightful, but is certainly inessential.
The poet's perfect expression is the token of a perfect experience; what he says in the best possible way he has felt in the best possible way, that is, completely.
The musician - if he be a good one - finds his own perception prompted by the poet's perception, and he translates the expression of that perception from the terms of poetry into the terms of music.
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.
Poetry being the sign of that which all men desire, even though the desire be unconscious, intensity of life or completeness of experience, the universality of its appeal is a matter of course.
It is commonly asserted and accepted that Paradise Lost is among the two or three greatest English poems; it may justly be taken as the type of supreme poetic achievement in our literature.
To take an analogy: if we say that a democratic government is the best kind of government, we mean that it most completely fulfills the highest function of a government - the realisation of the will of the people.
