Date: 1751, 1777

"They [cruel ideas] still haunt his solitary hours, damp his most aspiring thoughts, and show him, even to himself, in the most contemptible and most odious colours imaginable."

— Hume, David (1711-1776)

Date: 1751

"The sympathy, therefore, or consent observed between the nerves of various parts of the body, is not to be explained mechanically, but ought to be ascribed to the energy of that sentient being, which seems in a peculiar manner to reside in the brain, and, by means of the nerves, moves, actuates,...

— Whytt, Robert (1714-1766)

Date: 1751

"When the body is disordered,or exhausted with fatigue, the soul frequently hides herself in sleep, and retires from external things, in order that she may be more at leisure to recruit the body, or to rectify what has happened amiss in it; and hence the inclination to sleep after child-bearing: ...

— Whytt, Robert (1714-1766)

Date: 1751

"In fevers, the sudden failing of the strength and pulse ought, we are told, to be regarded by us as signs of the despairing soul's discontinuing her care of the body, and being soon about to relinquish it: nay, sometimes, like a mean and silly coward, she sinks even under such diseases, as, in t...

— Whytt, Robert (1714-1766)

Date: 1751

"But, as this account of the agency of the soul, and of its power over the body, scarcely seems to demand a serious answer, I shall only observe, that to imagine the soul should, with the wisest views and in the most skilful manner, at first form the body, (a work far above the utmost efforts of ...

— Whytt, Robert (1714-1766)

Date: 1754

"If I cannot, draw out Cacus from his Den; I may pluck the Villain from my own Breast. I cannot cleanse the Stables of Augeas; but I may cleanse my own Heart from Filth and Impurity: I may demolish the Hydra of Vices within me; and should be careful too, that while I lop off ...

— Hay, William (1695-1755)

Date: 1754

"And let every deformed Person comfort himself with reflecting; that tho' his Soul hath not the most convenient and beautiful Apartment, yet that it is habitable: that the Accommodation will serve in an Inn upon the Road: that he is but Tenant for Life, or (more properly) at Will: and that, while...

— Hay, William (1695-1755)

Date: 1754

"Our simple ideas, and even our complex ideas, and notions return sometimes of themselves, we know not why, nor how, mechanically, as it were, uncalled by the mind, and often to the disturbance of it in the pursuit of other ideas, to which these intruders are foreign."

— St John, Henry, styled first Viscount Bolingbroke (1678-1751)

Date: 1754

"Intellect, the artificer, works lamely without his proper instrument, sense; which is the case when he works on moral ideas."

— St John, Henry, styled first Viscount Bolingbroke (1678-1751)

Date: 1755

"Ideas of the same race, though not exactly alike, are sometimes so little different, that no words can express the dissimilitude, though the mind easily perceives it, when they are exhibited together; and sometimes there is such a confusion of acceptations, that discernment is wearied, and disti...

— Johnson, Samuel (1709-1784)