Date: 1814, 1816, 1896

Ideas are "like the silent Snows, by Winter spread, / In silvery treasures, o'er the mountain's head; / Whose stores, while undisturb'd, each hour decay, / And hue, form, substance, quickly waste away; / But stirr'd, by winds, like words, with action strong, /Each sphere enlarges as it rolls alon...

— Woodhouse, James (bap. 1735, d. 1820)

Date: 1820

"Hark, sister! what a low yet dreadful groan / Quite unsuppressed is tearing up the heart / Of the good Titan, as storms tear the deep, / And beasts hear the sea moan in inland caves."

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"To cheer thy state / I bid ascend those subtle and fair spirits, / Whose homes are the dim caves of human thought, / And who inhabit, as birds wing the wind, / Its world-surrounding aether."

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"On a poet's lips I slept / Dreaming like a love-adept / In the sound his breathing kept; / Nor seeks nor finds he mortal blisses, / But feeds on the aëreal kisses / Of shapes that haunt thought's wildernesses."

— Shelley, Percy Bysshe (1792-1822)

Date: 1820

"Only a sense / Remains of them, like the omnipotence / Of music, when the inspired voice and lute / Languish, ere yet the responses are mute, / Which through the deep and labyrinthine soul, / Like echoes through long caverns, wind and roll."

— Shelley, Percy Bysshe (1792-1822)

Date: 1838

All the "eye doth meet is mist and crag" in "the world of thought and mental might"

— Keats, John (1795-1821)

Date: 1850

"Caverns there were within my mind which sun / Could never penetrate, yet did there not / Want store of leafy arbours where the light / Might enter in at will."

— Wordsworth, William (1770-1850)

Date: 1850

"Imagination--here the Power so called / Through sad incompetence of human speech, / That awful Power rose from the mind's abyss / Like an unfathered vapour that enwraps, / At once, some lonely traveller"

— Wordsworth, William (1770-1850)

Date: 1850

"The immeasurable height / Of woods decaying, never to be decayed, / The stationary blasts of waterfalls, / And in the narrow rent at every turn / Winds thwarting winds, bewildered and forlorn, / The torrents shooting from the clear blue sky, / The rocks that muttered close upon our ears, / Black...

— Wordsworth, William (1770-1850)

Date: 1850

"And, as the horizon of my mind enlarged, / Again I took the intellectual eye / For my instructor, studious more to see / Great truths, than touch and handle little ones."

— Wordsworth, William (1770-1850)