Isaac Newton

Nature does nothing in vain when less will serve; for Nature is pleased with simplicity and affects not the pomp of superfluous causes.

Isaac Newton

Opposite to godliness is atheism in profession, and idolatry in practice. Atheism is so senseless and odious to mankind, that it never had many professors.

Isaac Newton

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

Physics, beware of metaphysics.

Isaac Newton

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

Isaac Newton

Plato is my friend, Aristotle is my friend, but my greatest friend is truth.

Isaac Newton

Poetry is a kind of ingenious nonsense.

Isaac Newton

Religion and philosophy are to be preserved distinct. We are not to introduce divine revelations into philosophy, nor philosophical opinions into religion.

Isaac Newton

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

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