You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause… — Isaac Newton Copy Share Image
Therefore to the same natural effects we must, as far as possible, assign the same causes. — Isaac Newton Copy Share Image
This Excellent Mathematician having given us, in the Transactions of February last, an account of the cause, which induced him to think… — Isaac Newton Copy Share Image
The Synthesis consists in assuming the Causes discovered and established as Principles, and by them explaining the Phænomena proceeding from them, and… — Isaac Newton Copy Share Image
It is indeed a matter of great difficulty to discover, and effectually to distinguish, the true motions of particular bodies from the… — Isaac Newton Copy Share Image
The main Business of Natural Philosophy is to argue from Phænomena without feigning Hypotheses, and to deduce Causes from Effects till we… — Isaac Newton Copy Share Image
Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision. — Isaac Newton Copy Share Image
We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances. — Isaac Newton Copy Share Image
I do not think that this [the universe] can be explained only by natural causes, and are forced to impute to the… — Isaac Newton Copy Share Image
Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same. — Isaac Newton Copy Share Image
Thus far I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have… — Isaac Newton Copy Share Image
Doth not this Æthereal Medium in passing out of Water, Glass, Crystal, and other compact and dense Bodies into empty Spaces, grow… — Isaac Newton Copy Share Image
Ax: 100 Every thing doth naturally persevere in yt state in wch it is unlesse it bee interrupted by some externall cause,… — Isaac Newton Copy Share Image
I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for… — Isaac Newton Copy Share Image
Nature does nothing in vain when less will serve; for Nature is pleased with simplicity and affects not the pomp of superfluous… — Isaac Newton Copy Share Image
The same law takes place in a system, consisting of many bodies, as in one single body, with regard to their persevering in their… — Isaac Newton Copy Share Image
I have been much amused at ye singular phenomena resulting from bringing of a needle into contact with a piece of amber or resin… — Isaac Newton Copy Share Image
I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a… — Isaac Newton Copy Share Image
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 Copy Share Image
Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) [all… — Isaac Newton Copy Share Image
God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and… — Isaac Newton Copy Share Image
I am ashamed to tell you to how many figures I carried these calculations [of Pi], having no other business at the time — Isaac Newton Copy Share Image
Blind metaphysical necessity, which is certainly the same always and every where, could produce no variety of things. All that diversity of natural things… — Isaac Newton Copy Share Image
You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause of gravity… — Isaac Newton Copy Share Image
![“I do not think that this [the universe] can be explained only by natural causes, and are forced to impute to the wisdom and ingenuity of an intelligent.” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/0cc/isaac-newton-1226_causes_i-do-not-think-that-this-the-universe-ca_1675478.jpg)
![“Ax: 100 Every thing doth naturally persevere in yt state in wch it is unlesse it bee interrupted by some externall cause, hence... [a] body once moved will always keepe ye same celerity, quantity & determination of its motion.” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/b45/isaac-newton-1226_bees_ax-100-every-thing-doth-naturally-persev_2409067.jpg)
![“Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) [all else being equal] strongest at the least distance?” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/f9c/isaac-newton-1226_action_do-not-bodies-act-upon-light-at-a-distan_90238.jpg)
![“I am ashamed to tell you to how many figures I carried these calculations [of Pi], having no other business at the time” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/93f/isaac-newton-1226_ashamed_i-am-ashamed-to-tell-you-to-how-many-fig_106544.jpg)
