For there is no impassable gulf between the two.

Coleridge's distinction that imagination drew possible pictures and fancy impossible ones, is itself, except as a classification, an impossible distinction to draw; for it is only the inconceivable that can never be.

All else is purely a matter of relation.

We may instance dreams which are usually considered to rank among the most fanciful creations of the mind.

Who has not in his dreams fallen repeatedly from giddy heights and invariably escaped unhurt?
If he had attempted the feat in his waking moments he would assuredly have been dashed to pieces at the bottom.