Date: 1770

"But this faculty [Reason] has been much perverted, often to vile, and often to insignificant purposes; sometimes chained like a slave or malefactor, and sometimes soaring in forbidden and unknown regions."

— Beattie, James (1735-1803)

Date: 1774

"Reason, therefore, at once gives judgment upon the cause; and the vagrant intruder, imagination, is imprisoned, or banished from the mind."

— Goldsmith, Oliver (1728?-1774)

Date: 1781, second ed. 1787

"Reason must approach nature with the view, indeed, of receiving information from it, not, however, in the character of a pupil, who listens to all that his master chooses to tell him, but in that of a judge, who compels the witnesses to reply to those questions which he himself thinks fit to pro...

— Kant, Immanuel (1724-1804)

Date: 1782

"Conscience, the high chancellor of the human breast, whose small still voice speaks terror to the guilty--Conscience has pricked her--and, with all her wealth and titles, she is an object of pity."

— Sancho, Charles Ignatius (1729-1780)

Date: 1787

"Those desires which heretofore were only loose from their slavery in sleep, when he was yet under the laws and his father, when under democratic government, now when he is tyrannized over by his passions, shall be equally as loose when he is awake, and from no horrid slaughter or deed shall he a...

— Adams, John (1735-1826)

Date: 1787

"He then seats in that throne the avaricious disposition, and makes it a mighty king within himself, decked out with Persian crowns, bracelets, and scepters."

— Adams, John (1735-1826)

Date: 1790

"But though man has, in this manner, been rendered the immediate judge of mankind, he has been rendered so only in the first instance; and an appeal lies from his sentence to a much higher tribunal, to the tribunal of their own consciences, to that of the supposed impartial and well-informed spec...

— Smith, Adam (1723-1790)

Date: 1790

"The jurisdiction of the man without is founded altogether in the desire of actual praise, and in the aversion to actual blame. The jurisdiction of the man within is founded altogether in the desire of praiseworthiness, and in the aversion to blameworthiness; in the desire of possessing those qua...

— Smith, Adam (1723-1790)

Date: 1790

"But though the approbation of his own conscience can scarce, upon some extraordinary occasions, content the weakness of man; though the testimony of the supposed impartial spectator of the great inmate of the breast cannot always alone support him; yet the influence and authority of this princip...

— Smith, Adam (1723-1790)

Date: 1790

"In what cases friendship ought to yield to gratitude, or gratitude to friendship. in what cases the strongest of all natural affections ought to yield to a regard for the safety of those superiors upon whose safety often depends that of the whole society; and in what cases natural affection may,...

— Smith, Adam (1723-1790)