Date: 1641

"But I see what it is: my mind enjoys wandering off and will not yet submit to being restrained within the bounds of truth. Very well then; just this once let us give it a completely free rein, so that after a while, when it is time to tighten the reins, it may more readily submit to being curbed."

— Descartes, René (1596-1650)

Date: 1659

"The minde is sometimes a Bull, sometimes a Serpent, and sometimes a flame of fire"

— Tubbe, Henry (1618-1655)

Date: 1659

"The minde is sometimes a Bull, sometimes a Serpent, and sometimes a flame of fire; and then the musick of the soule is quite out of tune; the Bells ring backward as in some general conflagration."

— Tubbe, Henry (1618-1655)

Date: 1677

"Or else unto those Birds (aspiring) rare, / The Soul contemplative I may compare, / Of whom King David worthily attests, / That by the Holy Altar build their Nests: / So Meditation's said in holy Story, / To build her Nest about the Throne of Glory."

— Speed, Samuel (bap. 1633, d. 1679?)

Date: 1773

"Seiz'd in thought / On fancy's wild and roving wing I sail, / From the green borders of the peopled earth, / And the pale moon, her duteous fair attendant; / From solitary Mars; from the vast orb / Of Jupiter, whose huge gigantic bulk / Dances in ether like the lightest leaf; / To the dim verge,...

— Barbauld, Anna Letitia [née Aikin] (1743-1825)

Date: 1773

"But now my soul unus'd to stretch her powers / In flight so daring, drops her weary wing, / And seeks again the known accustom'd spot, / Drest up with sun, and shade, and lawns, and streams, / A mansion fair and spacious for its guest, / And full replete with wonders."

— Barbauld, Anna Letitia [née Aikin] (1743-1825)