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?)