Quotes from An Enquiry Concerning Human Understanding

“In our reasonings concerning matter of fact, there are all imaginable degrees of assurance, from the highest certainty to the lowest species of moral evidence. A wise man, therefore, proportions his belief to the evidence.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Be a philosopher; but, amidst all your philosophy, be still a man.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Where am I, or what? From what causes do I derive my existence, and to what condition shall I return? ... I am confounded with all these questions, and begin to fancy myself in the most deplorable condition imaginable, environed with the deepest darkness, and utterly deprived of the use of every member and faculty.

Most fortunately it happens, that since Reason is incapable of dispelling these clouds, Nature herself suffices to that purpose, and cures me of this philosophical melancholy and delirium, either by relaxing this bent of mind, or by some avocation, and lively impression of my senses, which obliterate all these chimeras. I dine, I play a game of backgammon, I converse, and am merry with my friends. And when, after three or four hours' amusement, I would return to these speculations, they appear so cold, and strained, and ridiculous, that I cannot find in my heart to enter into them any farther.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“The sweetest and most inoffensive path of life leads through the avenues of science and learning; and whoever can either remove any obstructions in this way, or open up any new prospect, ought so far to be esteemed a benefactor to mankind.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“The feelings of our heart, the agitation of our passions, the vehemence of our affections, dissipate all its conclusions, and reduce the profound philosopher to a mere plebeian”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Indulge your passion for science…but let your science be human, and such as may have a direct reference to action and society. Be a philosopher; but amidst all your philosophy, be still a man.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“When we run over libraries, persuaded of these principles, what havoc must we make? If we take in our hand any volume of divinity or school metaphysics, for instance, let us ask, Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence? No. Commit it then to the flames, for it can contain nothing but sophistry and illusion.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“No conclusion can be more agreable to scepticism than such as make discoveries concerning the weakness and narrow limites of human reason and capacity”
― David Hume, quote from An Enquiry Concerning Human Understanding

“And while the body is confined to one planet, along which it creeps with pain and difficulty; the thought can in an instant transport us into the most distant regions of the universe; or even beyond the universe, into the unbounded chaos, where nature is supposed to lie in total confusion. What never was seen, or heard or, may yet be conceived; not is any thing beyond the power of thought, except what implies as absolute contradiction.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Scepticism may be theoretically irrefutable, but even the sceptic must ‘act … and live, and converse, like other men’, since human nature gives him no choice.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“our minds can create new ideas from the components which experience has already given us, by combining together our existing ideas in new ways or by shuffling the components of our existing ideas, but we are quite unable to form any completely new ideas beyond those that have already been given to us by sensation or feeling.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“starting with Martin Luther’s rebellion against the Church of Rome in 1517, led to widespread religious wars founded on philosophical differences: one side took Church authority and tradition as the criterion of truth, the other appealed instead to the Spirit of God acting within the individual believer.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“The greater part of mankind are naturally apt to be affirmative and dogmatical in their opinions; and while they see objects only on one side, and have no idea of any counterpoising argument, they throw themselves precipitately into the principles, to which they are inclined; nor have they any indulgence for those who entertain opposite sentiments. To hesitate or balance perplexes their understanding, checks their passion, and suspends their action. They are, therefore, impatient till they escape from a state, which to them is so uneasy: and they think, that they could never remove themselves far enough from it, by the violence of their affirmations and obstinacy of their belief. But”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Beyond the constant conjunction of similar objects, and the consequent inference from one to the other, we have no notion of any necessity, or connexion.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“The more instances we examine, and the more care we employ, the more assurance shall we acquire, that the enumeration, which we form from the whole, is complete and entire.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“the Roman Catholic Index of Prohibited Books, a list that came to include almost every significant work of post-medieval Western philosophy.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Philosophers who have denied that there are any innate ideas probably meant only that all ideas were copies of our impressions. [W]hat is meant by ‘innate’? If ‘innate’ is equivalent to ‘natural’, then all the perceptions and ideas of the mind must be granted to be innate or natural, in whatever sense we take the latter word, whether in opposition to what is uncommon, what is artificial, or what is miraculous. If innate means ‘contemporary with our birth’, the dispute seems to be frivolous—there is no point in enquiring when thinking begins, whether before, at, or after our birth.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“To begin with clear and self-evident principles, to advance by timorous and sure steps, to review frequently our conclusions, and examine accurately all their consequences; though by these means we shall make both a slow and a short progress in our systems; are the only methods, by which we can ever hope to reach truth, and attain a proper stability and certainty in our determinations.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Abstruse thought and profound researches I prohibit, and will severely punish, by the pensive melancholy which they introduce, by the endless uncertainty in which they involve you, and by the cold reception which your pretended discoveries shall meet with, when communicated. Be a philosopher; but, amidst all your philosophy, be still a man.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Custom, then, is the great guide of human life. It is that principle alone which renders our experience useful to us, and makes us expect, for the future, a similar train of events with those which have appeared in the past.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Hume argued powerfully that human reason is fundamentally similar to that of the other animals, founded on instinct rather than quasi-divine insight into things.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“A body of ten ounces raised in any scale may serve as a proof, that the counterbalancing weight exceeds ten ounces; but can never afford a reason that it exceeds a hundred.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“The other species of philosophers consider man in the light of a reasonable rather than an active being, and endeavour to form his understanding more than cultivate his manners. They regard human nature as a subject of speculation; and with a narrow scrutiny examine it, in order to find those principles, which regulate our understanding, excite our sentiments, and make us approve or blame any particular object, action, or behaviour. They think it a reproach to all literature, that philosophy should not yet have fixed, beyond controversy, the foundation of morals, reasoning, and criticism; and should for ever talk of truth and falsehood, vice and virtue, beauty and deformity, without being able to determine the source of these distinctions. While they attempt this arduous task, they are deterred by no difficulties; but proceeding from particular instances to general principles, they still push on their enquiries to principles more general, and rest not satisfied till they arrive at those original principles, by which, in every science, all human curiosity must be bounded. Though their speculations seem abstract, and even unintelligible to common readers, they aim at the approbation of the learned and the wise; and think themselves sufficiently compensated for the labour of their whole lives, if they can discover some hidden truths, which may contribute to the instruction of posterity.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“I deny not the course itself of events, which lies open to every one's inquiry and examination. I acknowledge, that, in the present order of things, virtue is attended with more peace of mind than vice, and meets with a more favourable reception from the world. I am sensible, that, according to the past experience of mankind, friendship is the chief joy of human life, and moderation the only source of tranquillity and happiness. I never balance between the virtuous and the vicious course of life; but am sensible, that, to a well-disposed mind, every advantage is on the side of the former. And what can you say more, allowing all your suppositions and reasonings?”
― David Hume, quote from An Enquiry Concerning Human Understanding

“reasonings on this subject can only be drawn from effects to causes; and that every argument, deducted from causes to effects, must of necessity be a gross sophism; since it is impossible for you to know anything of the cause, but what you have antecedently, not inferred, but discovered to the full, in the effect.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“Thirdly. It forms a strong presumption against all supernatural and miraculous relations, that they are observed chiefly to abound among ignorant and barbarous nations; or if a civilized people has ever given admission to any of them, that people will be found to have received them from ignorant and barbarous ancestors, who transmitted them with that inviolable sanction and authority, which always attend received opinions.”
― David Hume, quote from An Enquiry Concerning Human Understanding

“When we think back on our past sensations and feelings, our thought is a faithful mirror that copies its objects truly; but it does so in colours that are fainter and more washed-out than those in which our original perceptions were clothed.”
― David Hume, quote from An Enquiry Concerning Human Understanding

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