Date: 1664

"Now I maintain that when God unites a rational soul to this machine (in a way that I intend to explain later) he will place its principal seat in the brain, and will make its nature such that the soul will have different sensations corresponding to the different ways in which the entrances to th...

— Descartes, René (1596-1650)

Date: 1664

"But I shall content myself with telling you more about how the traces are imprinted on the internal part of the brain which is the seat of the memory."

— Descartes, René (1596-1650)

Date: 1664

"Thus they also trace figures in these gaps, which correspond to those of the objects. At first they do this less easily and perfectly than they do on gland H, but gradually they do it better and better, as their action becomes stronger and lasts longer, or is repeated more often. That is why the...

— Descartes, René (1596-1650)

Date: 1664

"So that it seems, this Cottage of Clay, with all its Furniture within it, was but made in subserviency to the Animal Spirits; for the extraction, separation, and depuration of which, the whole Body, and all the Organs and Utensils therein are but instrumentally contrived, and preparatorily desig...

— Power, Henry (1623-1668)

Date: 1664

"First, therefore we affirm, that this thin and spirituous matter, which is called the Animal Spirits, is the immediate Instrument of the Soul, in all her operations both of Sense and Motion."

— Power, Henry (1623-1668)

Date: 1664

"So that when she has locked up the doors of this Laboratory the Body, she may be busie in augmenting, repairing, and regenerating all the Organs and Utensils within, and painting and plaistring the Walls without."

— Power, Henry (1623-1668)

Date: 1665

"The accent of one's birthplace persists in the mind and heart as much as in speech."

— La Rochefoucauld, François, duc de (1613-1680)

Date: 1665

"But as though grains of Sand and Ashes be a part, but of a despicable smallness, and very easie, and liable to be scatter'd, and blown away; yet the skilful Artificer, by a vehement Fire, brings Numbers of these to afford him that noble substance, Glass, by whose help we may both see our selves,...

— 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)

Date: 1665

The understanding "must examine, range, and dispose of the bank which is laid up in the Memory; but it must be sure to make distinction between the sober and well collected heap, and the extravagant Idea's, and mistaken Images, which there it may sometimes light upon."

— Hooke, Robert (1635-1703)