Top 100 Isaac Newton Quotes (2024 Update)
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51. “Philosophy is such an impertinently litigious lady that a man had as good be engaged in lawsuits as have to do with her.”

— Isaac Newton

52. “God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and in such proportion to space, as most conduced to the end for which he formed them.”

— Isaac Newton

53. “The wonderful arrangement and harmony of the cosmos would only originate in the plan of an almighty omniscient being. This is and remains my greatest comprehension.”

— Isaac Newton

54. “The latest authors, like the most ancient, strove to subordinate the phenomena of nature to the laws of mathematics.”

— Isaac Newton

55. “Centripetal force is the force by which bodies are drawn from all sides, are impelled, or in any way tend, toward some point as to a center.”

— Isaac Newton

56. “If I have done the public any service, it is due to my patient thought.”

— Isaac Newton

57. “For the Rays, to speak properly, have no Colour. In them there is nothing else than a certain power and disposition to stir up a sensation of this Colour or that.”

— Isaac Newton

58. “If you are affronted it is better to pass it by in silence, or with a jest, though with some dishonor, than to endeavor revenge. If you can keep reason above passion, that and watchfulness will be your best defenders.”

— Isaac Newton

59. “No sciences are better attested than the religion of the Bible.”

— Isaac Newton

60. “Yet one thing secures us what ever betide, the scriptures assures us that the Lord will provide.”

— Isaac Newton

61. “What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants.”

— Isaac Newton

62. “Trials are medicines which our gracious and wise Physician prescribes because we need them; and he proportions the frequency and weight of them to what the case requires. Let us trust his skill and thank him for his prescription.”

— Isaac Newton

63. “The Ignis Fatuus is a vapor shining without heat.”

— Isaac Newton

64. “I understood. I have understood. I do understand.”

— Isaac Newton

65. “We are not to consider the world as the body of God: he is an uniform being, void of organs, members, or parts; and they are his creatures, subordinate to him, and subservient to his will.”

— Isaac Newton

66. “Daniel was in the greatest credit amongst the Jews, till the reign of the Roman Emperor Hadrian. And to reject his prophecies, is to reject the Christian religion. For this religion is founded upon his prophecy concerning the Messiah .”

— Isaac Newton

67. “God is able to create particles of matter of several sizes and figures and perhaps of different densities and forces, and thereby to vary the laws of nature, and make worlds of several sorts in several parts of the Universe.”

— Isaac Newton

68. “The changing of Bodies into Light, and Light into Bodies, is very conformable to the Course of Nature, which seems delighted with Transmutations.”

— Isaac Newton

69. “Where both are friends, it is right to prefer truth.”

— Isaac Newton

70. “To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always opposite in direction.”

— Isaac Newton

71. “I shall not mingle conjectures with certainties.”

— Isaac Newton

72. “The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.”

— Isaac Newton

73. “His epitaph: Who, by vigor of mind almost divine, the motions and figures of the planets, the paths of comets, and the tides of the seas first demonstrated.”

— Isaac Newton

74. “It is the weight, not numbers of experiments that is to be regarded.”

— Isaac Newton

75. “You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause of gravity is what I do not pretend to know, and therefore would take more time to consider of it.”

— Isaac Newton

76. “The description of right lines and circles, upon which geometry is founded, belongs to mechanics. Geometry does not teach us to draw these lines, but requires them to be drawn.”

— Isaac Newton

77. “Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change that state by forces having impact upon it.”

— Isaac Newton

78. “I see I have made my self a slave to Philosophy.”

— Isaac Newton

79. “Therefore to the same natural effects we must, as far as possible, assign the same causes.”

— Isaac Newton

80. “Nature is very consonant and conformable with herself.”

— Isaac Newton

81. “To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.”

— Isaac Newton

82. “The seed of a tree has the nature of a branch or twig or bud. It is a part of the tree, but if separated and set in the earth to be better nourished, the embryo or young tree contained in it takes root and grows into a new tree.”

— Isaac Newton

83. “Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward.”

— Isaac Newton

84. “I feign no hypotheses.”

— Isaac Newton

85. “All the characters of the Passion agree to the year 34; and that is the only year to which they all agree.”

— Isaac Newton

86. “Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision.”

— Isaac Newton

87. “The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.”

— Isaac Newton

88. “Is not Fire a Body heated so hot as to emit Light copiously? For what else is a red hot Iron than Fire? And what else is a burning Coal than red hot Wood?”

— Isaac Newton

89. “We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.”

— Isaac Newton

90. “My principal method for defeating error and heresy is by establishing the truth. One purposes to fill a bushel with tares, but if I can fill it first with wheat, I may defy his attempts.”

— Isaac Newton

91. “OUR ORDINATION: Sir Isaac Newton, 1642 – 1747 About the times of the End, a body of men will be raised up who will turn their attention to the prophecies, and insist upon their literal interpretation, in the midst of much clamor and opposition.”

— Isaac Newton

92. “My Design in this Book is not to explain the Properties of Light by Hypotheses, but to propose and prove them by Reason and Experiments: In order to which, I shall premise the following Definitions and Axioms.”

— Isaac Newton

93. “By such deductions the law of gravitation is rendered probable, that every particle attracts every other particle with a force which varies inversely as the square of the distance. The law thus suggested is assumed to be universally true.”

— Isaac Newton

94. “He that in ye mine of knowledge deepest diggeth, hath, like every other miner, ye least breathing time, and must sometimes at least come to terr. alt. for air.”

— Isaac Newton

95. “A cylinder of air reaching to the top of the atmosphere is of equal weight with a cylinder of water about 33 feet high.”

— Isaac Newton

96. “If the ancient churches, in debating and deciding the greatest mysteries of religion, knew nothing of these two texts, I understand not why we should be so fond of them now the debate is over.”

— Isaac Newton

97. “Against filling the Heavens with fluid Mediums, unless they be exceeding rare, a great Objection arises from the regular and very lasting Motions of the Planets and Comets in all manner of Courses through the Heavens.”

— Isaac Newton

98. “I have been much amused at ye singular phenomena resulting from bringing of a needle into contact with a piece of amber or resin fricated on silke clothe. Ye flame putteth me in mind of sheet lightning on a small-how very small-scale.”

— Isaac Newton

99. “The qualities of bodies, which admit neither intension nor remission of degrees, and which are found to belong to fill bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.”

— Isaac Newton

100. “When the adversaries of Erasmus had got the Trinity into his edition, they threw by their manuscript as an old almanac out of date.”

— Isaac Newton