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: 1651, 1668

"And on the contrary, metaphors, and senseless and ambiguous words, are like ignes fatui; and reasoning upon them is wandering amongst innumerable absurdities; and their end, contention and sedition, or contempt."

— Hobbes, Thomas (1588-1679)

Date: 1651

"'Tis but the Body that blind Fortunes spight / Can chain to Earth; the nobler Soul doth slight / Her servill Bonds, and takes to Heaven her flight."

— Sherburne, Sir Edward (bap. 1616, d. 1702)

Date: 1642, 1655, 1668

"My eye, which swift as thought contracts the space / That lies between, and first salutes the place / Crown'd with that sacred pile, so vast, so high, / That whether 'tis a part of Earth, or sky, / Uncertain seems, and may be thought a proud / Aspiring mountain, or descending cloud, / Pauls, the...

— Denham, John, Sir (1615-1669)

Date: 1642, 1655, 1668

"Nor wonder, if (advantag'd in my flight, / By taking wing from thy auspicious height) / Through untrac't ways, and aery paths I fly, / More boundless in my Fancy than my eie."

— Denham, John, Sir (1615-1669)

Date: 1657

Fancy is "The roving, pregnant, busie, teeming sence."

— Poole, Joshua (c.1615–c.1656)

Date: 1657

The fancy is a "Boundlesse, restlesse faculty, free from all engagements, diggs without spade, sails without Ships, Flies without wings, builds without charges, fights without bloodshed, in a moment striding from the Center to the circumference of the world, by a kind of omnipotency creating and ...

— Poole, Joshua (c.1615–c.1656)

Date: 1665

"Which last Expression suits very well with the present case, since, when a pious Soul is once got upon the wing of Contemplation, she must descend and stoop to exchange her converse with Heavenly objects, for one with Earthly vanities, and much more must she debase and degrade her self, if the t...

— Boyle, Robert (1627-1691)

Date: 1665

"As Jonathan made those very things, whereby his Enemies, the Philistins, sought to intrap, or destroy him, Incouragements to fight with them, and Omens of his Victory over them. And as scarce any Time is so short, but that things so Agile, and asspiring as the Flames of a Devout Soul, may take a...

— Boyle, Robert (1627-1691)

Date: 1665

"Thus all the uncertainty, and mistakes of humane actions, proceed either from the narrowness and wandring of our Senses, from the slipperiness or delusion of our Memory, from the confinement or rashness of our Understanding, so that 'tis no wonder, that our power over natural causes and effects ...

— Hooke, Robert (1635-1703)