Isaac Newton

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

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

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

The great ocean of truth lay all undiscovered before me.

Isaac Newton

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

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

Isaac Newton

The more time and devotion one spends in the worship of false gods, the less he is able to spend in that of the true one.

Isaac Newton

The motions of the comets are exceedingly regular, and they observe the same laws as the motions of the planets, but they differ from the motions of vortices in every particular and are often contrary to them.

Isaac Newton

The motions which the planets now have could not spring from any natural cause alone, but were impressed by an intelligent agent.

Isaac Newton

The proper method for inquiring after the properties of things is to deduce them from experiments.

Isaac Newton