William Harvey Quotes
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I appeal to your own eyes as my witness and judge.
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Very many maintain that all we know is still infinitely less than all that still remains unknown; nor do philosophers pin their faith to others' precepts in such wise that they lose their liberty, and cease to give credence to the conclusions of their proper senses. Neither do they swear such fealty to their mistress Antiquity that they openly, and in sight of all, deny and desert their friend Truth.
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There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience, or derived in some way from our senses.
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Nature is nowhere accustomed more openly to display her secret mysteries than in cases where she shows tracings of her workings apart from the beaten paths; nor is there any better way to advance the proper practice of medicine than to give our minds to the discovery of the usual law of nature, by careful investigation of cases of rarer forms of disease.
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Civilization is only a series of victories against nature.
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I have often wondered and even laughed at those who fancied that everything had been so consummately and absolutely investigated by an Aristotle or a Galen or some other mighty name, that nothing could by any possibility be added to their knowledge.
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Only by understanding the wisdom of natural foods and their effects on the body, shall we attain mastery of disease and pain, which shall enable us to relieve the burden of mankind.
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I avow myself the partisan of truth alone.
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And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more excellent... So that from this we may perceive the causes not only of life in general... but also of longer or shorter life, of sleeping and waking, of skill, of strength and so forth.
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Very many maintain that all we know is still infinitely less than all that still remains unknown.
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I profess to learn and to teach anatomy not from books but from dissections, not from the tenets of Philosophers but from the fabric of Nature.
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Moderate labor of the body conduces to the preservation of health, and cares many initial diseases.
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As art is a habit with reference to things to be done, so is science a habit in respect to things to be known.
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For the concept of a circuit of the blood does not destroy, but rather advances traditional medicine.
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Doctrine once sown strikes deep its root, and respect for antiquity influences all men.
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Memory cannot exist without endurance of the things perceived, and the thing perceived cannot remain where it has never been.
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Harvey sought for truth in Truth's own book- Creation - which by God himself was writ;And wisely thought 'twas fitNot to read comments only upon it,But on th' original itself to look.Methinks in Art's great circle others standLock'd up together hand in hand:Every one leads as he is led,The same bare path they tread,A dance like that of Fairies, a fantastic round,With neither change of motion nor of ground.Had Harvey to this road confined his wit,His noble circle of the blood had been untrodden yet.
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It is, however, an argument of no weight to say that natural bodies are first generated or compounded out of those things into which they are at the last broken down or dissolved.
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Harvey was not content merely to gather knowledge; he digested and arranged it under the guidance of the faculties which compare and reason. ... Harvey appears to have possessed, in a remarkable degree, the power of persuading and conciliating those with whom he came in contact. In the whole course of his long life we hear nothing either of personal enemies or personal enmities ... one of the great men whom God, in virtue of his eternal laws, bids to appear on earth from time to time to enlighten, and to ennoble mankind.
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When in many dissections, carried out as opportunity offered upon living animals, I first addressed my mind to seeing how I could discover the function and offices of the heart's movement in animals through the use of my own eyes instead of through the books and writings of others, I kept finding the matter so truly hard and beset with difficulties that I all but thought, with Fracastoro, that the heart's movement had been understood by God alone.
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Nature is a volume of which God is the author.
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This organ deserves to be styled the starting point of life and the sun of our microcosm just as much as the sun deserves to be styled the heart of the world. For it is by the heart's vigorous beat that the blood is moved, perfected, activated, and protected from injury and coagulation. The heart is the tutelary deity of the body, the basis of life, the source of all things, carrying out its function of nourishing, warming, and activating body as a whole. But we shall more fittingly speak of these matters when we consider the final cause of this kind of movement.
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The animal's heart is the basis of its life, its chief member, the sun of its microcosm; on the heart all its activity depends, from the heart all its liveliness and strength arise. Equally is the king the basis of his kingdoms, the sun of his microcosm, the heart of the state; from him all power arises and all grace stems.
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The heart is the household divinity which, discharging its function, nourishes, cherishes, quickens the whole body, and is indeed the foundation of life, the source of all action.