Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same. — 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
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
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
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
Qu. 31. Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a distance, not… — 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… — Isaac Newton Copy Share Image
. . . Newton was an unquestioning believer in an all-wise creator of the universe, and in his own inability - like… — Isaac Newton Copy Share Image
All material Things seem to have been composed of the hard and solid Particles ... variously associated with the first Creation by… — Isaac Newton Copy Share Image
Our design, not respecting arts, but philosophy, and our subject, not manual, but natural powers, we consider chiefly those things which relate… — Isaac Newton Copy Share Image
As in Mathematicks, so in Natural Philosophy, the Investigation of difficult Things by the Method of Analysis, ought ever to precede the… — 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