It is partly because ambiguities about fading, melting and fusing are so common in the work of Wordsworth, Keats and Shelley,* and because their pervasive doubleness of vision has come to seem so natural to us, that Coleridge’s famous statement about the Secondary Imagina-
* The pejorative use of ‘dissolves’ in the following passage goes a long way towards explaining why ambiguities about dissolution are not to be found in the work of Blake:
Nature has no Outline, but Imagination has . . . Nature has no Supernatural, and dissolves: Imagination is Eternity.