Date: 1603

"This is the very coinage of your brain."

— Shakespeare, William (1564-1616)

Date: w. c. 90, trans. 1611

"For where your treasure is, there will your heart be also."

— Matthew the Evangelist

Date: 1640

"Hexamater's no sterling, and I feare / What the brain coines goes scarce for currency there"

— Randolph, Thomas (bap. 1605, d. 1635)

Date: 1641

"Now admittedly, it is not necessary that I ever light upon any thought of God; but whenever I do choose to think of the first and supreme being, and bring forth the idea of God from the treasure house of my mind as it were, it is necessary that I attribute all perfections to him, even if I do no...

— Descartes, René (1596-1650)

Date: 1647

"False Coin with which th'Impostor cheats us still; / The Stamp and Colour good, but Metal ill!"

— Cowley, Abraham (1618-1667)

Date: 1651, 1668

"The Latins called accounts of money rationes, and accounting ratiocinatio; and that which we in bills or books of account call items, they call nomina, that is names; and thence it seems to proceed, that they extended the word ratio to the faculty of reckoning in all other things."

— Hobbes, Thomas (1588-1679)

Date: 1651, 1668

"For words are wise mens counters, they do but reckon by them: but they are the mony of fooles, that value them by the authority of an Aristotle, a Cicero, or a Thomas, or any other Doctor whatsoever, if but a man."

— Hobbes, Thomas (1588-1679)

Date: 1656

"He is too froward, that will refuse a piece of coin that is current throughout the world, because it is not stamped after his own fancy."

— Hobbes, Thomas (1588-1679)

Date: 1657

Fancy is "The souls mint."

— Poole, Joshua (c.1615–c.1656)

Date: 1657

Fancy is "The immateriall Coyner. That makes a bodilesse Creation."

— Poole, Joshua (c.1615–c.1656)