Date: 1664

"Now among these figures, it is not those imprinted on the external sense organs, or on the internal surface of the brain, which should be taken to be ideas--but only those which are traced in the spirits on the surface of the gland (where the seat of the imagination and the 'common' sense is loc...

— Descartes, René (1596-1650)

Date: 1664

"That is to say, it is only the latter figures which should be taken to be the forms or images which the rational soul united to this machine will consider directly when it imagines some object or perceives it by the senses."

— 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

"I should like you to consider, after this, all the functions I have ascribed to this machine -- such as the digestion of food, the beating of the heart and arteries, the nourishment and growth of the limbs, respiration, waking and sleeping, the reception by the external sense organs of light, so...

— Descartes, René (1596-1650)

Date: 1665

"The passions are the only orators who always convince"

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

Date: 1665

"In the human heart new passions are for ever being born; the overthrow of one almost always means the rise of another."

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

Date: 1665

"Condemned men sometimes affect a steadfastness and indifference to death which is really only fear of looking death in the face; thus it can be said that this steadfastness and indifference do for their spirit what the bandage does for their eyes."

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

Date: 1665

"Discernment is simply a great light of the intellect which shines into the roots of things, sees everything worth noticing, and perceives things thought to be imperceptible."

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

Date: 1665

"The sicknesses of the soul have their ups and downs like those of the body; what we take to be a cure is most often merely a respite or change of disease."

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