Date: 1748, 1777

"Nothing is more free than the imagination of man; and though it cannot exceed that original stock of ideas, furnished by the internal and external senses, it has unlimited power of mixing, compounding, separating, and dividing these ideas, in all the varieties of fiction and vision."

— Hume, David (1711-1776)

Date: 1748, 1777

"Inference and reasoning concerning the operations of nature would, from that moment, be at an end; and the memory and senses remain the only canals, by which the knowledge of any real existence could possibly have access to the mind."

— Hume, David (1711-1776)

Date: 1748, 1777

"But may we not hope, that philosophy, cultivated with care, and encouraged by the attention of the public, may carry its researches still farther, and discover, at least in some degree, the secret springs and principles, by which the human mind is actuated in its operations?"

— Hume, David (1711-1776)

Date: 1748, 1777

"Restore either of them that sense in which he is deficient; by opening this new inlet for his sensations, you also open an inlet for the ideas; and he finds no difficulty in conceiving these objects."

— Hume, David (1711-1776)

Date: 1748, 1777

"This variety of terms, which may seem so unphilosophical, is intended only to express that act of the mind, which renders realities, or what is taken for such, more present to us than fictions, causes them to weigh more in the thought, and gives them a superior influence on the passions and imag...

— Hume, David (1711-1776)

Date: 1748, 1777

"And if the case be the same with the other relations or principles of associations, this may be established as a general law, which takes place in all the operations of the mind."

— Hume, David (1711-1776)

Date: 1748, 1754

"[T]his Perception is not a Creature of the Mind, but a Ray emanating directly from the Father of Lights, a fair genuine Stamp of his Hand, who impressed every vital and original Energy on the Mind"

— Fordyce, David (bap. 1711, d. 1751)

Date: 1748, 1754

"In this Light, the Administration itself, nay, every Act of it, becomes an Object of Affection, the Evil disappears, or is converted into a Balm which both heals and nourishes the Mind."

— Fordyce, David (bap. 1711, d. 1751)

Date: 1748, 1754

"The sensible Beauty, or Good, is refined from its Dross by partaking of the Moral, and the Moral receives a Stamp, a visible Character and Currency from the Sensible."

— Fordyce, David (bap. 1711, d. 1751)

Date: 1748, 1754

When studying Human Nature it is important "to have deeply imprinted on our Mind that GRADATION of Senses, Faculties, and Powers of Enjoyment formerly mentioned, and the Subordination of Goods resulting from thence, which Nature points out, and the Experience of Mankind confirms."

— Fordyce, David (bap. 1711, d. 1751)