Date: September 17, 1739

"There are different ways of examining the Mind as well as the Body. One may consider it either as an Anatomist or as a Painter; either to discover its most secret Springs & Principles or to describe the Grace & Beauty of its Actions."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"An idea assented to feels different from a fictitious idea, that the fancy alone presents to us: and this different feeling I endeavour to explain by calling it a superior force, or vivacity, or solidity, or firmness, or steadiness."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"The attention is on the stretch; the posture of the mind is uneasy; and the spirits being diverted from their natural course, are not governed in their movements by the same laws, at least not to the same degree, as when they flow in their usual channel."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"On the appearance of such an object [the mind] awakes, as it were, from a dream; the blood flows with a new tide; the heart is elevated; and the whole man acquires a vigour which he cannot command in his solitary and calm moments."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"Ideas may be compared to the extension and solidity of matter and impressions, especially reflective ones, to colours, tastes, smells, and other sensible qualities."

— Hume, David (1711-1776)

Date: January 1739; November 1740

Personal identity may be like a "a noise, that is frequently interrupted and renew'd ... tho' 'tis evident the sounds have only a specific identity or resemblance, and there is nothing numerically the same, but the cause which produc'd them."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"Let us chace our imagination to the heavens, or to the utmost limits of the universe; we never really advance a step beyond ourselves, nor can conceive any kind of existence, but those perceptions which have appeared in that narrow compass."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"This is the universe of the imagination, nor have we any idea but what is there produc’d."

— Hume, David (1711-1776)

Date: January 1739; November 1740

"And as an image necessarily resembles its object, must not the frequent placing of these resembling perceptions in the chain of thought, convey the imagination more easily from one link to another, and make the whole seem like the continuance of one object?"

— Hume, David (1711-1776)

Date: January 1739; November 1740

"Pity, then, is related to benevolence, and malice to anger; and as benevolence has been already found to be connected with love, by a natural and original quality, and anger with hatred, it is by this chain the passions of pity and malice are connected with love and hatred."

— Hume, David (1711-1776)