Isaac Newton — "I shall not mingle conjectures with certainties."

"It seems probable to me, that God in the beginning formed matter in solid, massy, hard, impenetrable, moveable particles..."

"Oh, Diamond! Diamond! thou little knowest what mischief thou hast done!"

"God created everything by number, weight and measure."

"To explain all nature is too difficult a task for any one man or even for any one age. 'Tis much better to do a little with certainty, & leave the rest for others that come after you, than to explain …"

"The way to chastity is not to struggle directly with incontinent thoughts but to avert the thoughts by some employment, or by reading, or by meditating on other things."