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Isaac Newton

Isaac Newton

1

The same law takes place in a system, consisting of many bodies, as in one single body, with regard to their persevering in their state of motion or of rest. For the progressive motion, whether of one single body or of a whole system of bodies, is always to be estimated from the motion of the center of gravity.

Isaac Newton Law, Body, Gravity
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2

The best and safest method of philosophizing seems to be first to inquire diligently into the properties of things, and establishing those properties by experiments, and then to proceed more slowly to hypotheses for the explanation of them.

Isaac Newton Best, First, Things
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3

It is indeed a matter of great difficulty to discover, and effectually to distinguish, the true motions of particular bodies from the apparent because the parts of that immovable space, in which those motions are performed, do by no means come under the observation of our senses.

Isaac Newton Great, Space, True
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4

I there represent that I sent notice of my method to Mr. Leibnitz before he sent notice of his method to me, and left him to make it appear that he had found his method before the date of my letter.

Isaac Newton Found, Method
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5

The Ignis Fatuus is a vapor shining without heat.

Isaac Newton Heat, Without, Shining
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6

We account the Scriptures of God to be the most sublime philosophy.

Isaac Newton God, Philosophy, Sublime
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7

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

Isaac Newton True, Appearances, Admit
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8

Hypotheses should be subservient only in explaining the properties of things but not assumed in determining them, unless so far as they may furnish experiments.

Isaac Newton May, Far, Things
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9

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 God, End, Space
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10

The word 'God' usually signifies 'Lord', but every lord is not a God. It is the dominion of a spiritual being which constitutes a God: a true, supreme, or imaginary dominion makes a true, supreme, or imaginary God.

Isaac Newton God, Spiritual, True
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11

The centre of the system of the world is immovable.

Isaac Newton World, System, Immovable
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12

The ancients considered mechanics in a twofold respect: as rational, which proceeds accurately by demonstration, and practical. To practical mechanics all the manual arts belong, from which mechanics took its name.

Isaac Newton Respect, Name, Belong
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13

If anyone offers conjectures about the truth of things from the mere possibility of hypotheses, I do not see by what stipulation anything certain can be determined in any science, since one or another set of hypotheses may always be devised which will appear to supply new difficulties.

Isaac Newton Truth, Science
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14

It is reasonable that forces directed toward bodies depend on the nature and the quantity of matter of such bodies, as happens in the case of magnetic bodies.

Isaac Newton Nature, Matter, Quantity
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15

If the experiments which I urge be defective, it cannot be difficult to show the defects; but if valid, then by proving the theory, they must render all objections invalid.

Isaac Newton Difficult, Theory, Proving
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16

The moon gravitates towards the earth and by the force of gravity is continually drawn off from a rectilinear motion and retained in its orbit.

Isaac Newton Moon, Earth, Gravity
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17

I do not love to be printed on every occasion, much less to be dunned and teased by foreigners about mathematical things or to be thought by our own people to be trifling away my time about them when I should be about the king's business.

Isaac Newton Love, Business, Time
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18

That the divided but contiguous particles of bodies may be separated from one another is a matter of observation; and, in the particles that remain undivided, our minds are able to distinguish yet lesser parts, as is mathematically demonstrated.

Isaac Newton Observation, May, Divided
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19

The same thing is to be understood of all bodies, revolved in any orbits. They all endeavour to recede from the centres of their orbits, and were it not for the opposition of a contrary force which restrains them to and detains them in their orbits, which I therefore call Centripetal, would fly off in right lines with a uniform motion.

Isaac Newton Uniform, Fly, Motion
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20

Christ comes as a thief in the night, & it is not for us to know the times & seasons which God hath put into his own breast.

Isaac Newton God, Night, Seasons
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21

'God' is a relative word and has a respect to servants, and 'Deity' is the dominion of God, not over his own body, as those imagine who fancy God to be the soul of the world, but over servants.

Isaac Newton Respect, God, Soul
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22

Why there is one body in our System qualified to give light and heat to all the rest, I know no reason but because the Author of the System thought it convenient; and why there is but one body of this kind, I know no reason, but because one was sufficient to warm and enlighten all the rest.

Isaac Newton Light, Thought, Body
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23

The hypothesis of matter's being at first evenly spread through the heavens is, in my opinion, inconsistent with the hypothesis of innate gravity without a supernatural power to reconcile them, and therefore, it infers a deity.

Isaac Newton Power, Gravity, Opinion
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24

In the beginning of the year 1665, I found the method of approximating series and the rule for reducing any dignity of any binomial into such a series.

Isaac Newton Beginning, Year, Dignity
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