"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 …"

"For the conservation of motion, it is necessary that the body should be moved in a vacuum."

"The light which comes from the sun, and from all fire, consists of all the primary colours mixed together."

"The attractive force of the earth acts to the greatest distance, and is observed in the fall of the moon, which is continually drawn towards the earth."

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