Trials are medicines which our gracious and wise Physician prescribes because we need them; and he proportions the frequency and weight of them to what the case requires. Let us trust his skill and thank him for his prescription.

I can calculate the motion of heavenly bodies, but not the madness of people.

OUR ORDINATION: Sir Isaac Newton, 1642 – 1747 About the times of the End, a body of men will be raised up who will turn their attention to the prophecies, and insist upon their literal interpretation, in the midst of much clamor and opposition.

Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change that state by forces having impact upon it.

I can measure the motion of bodies but I cannot measure human folly.

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

If I had stayed for other people to make my tools and things for me, I had never made anything.