As when, upon a tranced summer-night,
Those green-rob'd senators of mighty woods,
Tall oaks, branch-charmed by the earnest stars,
Dream, and so dream all night without a stir,
Save from one gradual solitary gust
Which comes upon the silence, and dies off,
As if the ebbing air had but one wave.

Bk. I, l. 72. - Hyperion : A Fragment (1819)