Date: 1641

"I am not that structure of limbs which is called a human body. I am not even some thin vapour which permeates the limbs - a wind, fire, air, breath, or whatever I depict in my imagination; for these are things which I have supposed to be nothing."

— Descartes, René (1596-1650)

Date: 1651

"Many erroneous opinions are about the essence and original of [the rational soul]; whether it be fire, as Zeno held; harmony, as Aristoxenus; number, as Xenocrates; whether it be organical, or inorganical; seated in the brain, heart or blood; mortal or immortal; how it comes into the body."

— Burton, Robert (1577-1640)

Date: 1652

"Many sparks and appearances fly from variety of objects to the understanding; The minde, that catches them all, and cherishes them, and blows them; and thus the Candle of knowledge is lighted."

— Culverwell, Nathanael (bap. 1619, d. 1651)

Date: 1658

"The soul seems to be like a little flame or a most attenuated kind of fire, which thrives or remains kindled while the animal lives, since if it no longer thrives or is put out, the animal dies."

— Gassendi, Pierre (1592-1655)

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: 1659

Anger "consumes the lodging wherein it lies, the heart; it consumes the object whither it goes; and looks death and destruction upon every thing in the way."

— Tubbe, Henry (1618-1655)