Isaac Newton

"If I have seen further, it is by standing on the shoulders of giants."

"The greatest force in the universe is not gravity, but human potential."

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

"Nature and nature's laws lay hid in night; God said, Let Newton be! and all was light."

"Truth is ever to be found in the simplicity and not in the multiplicity and confusion of things."

"We build too many walls and not enough bridges."

"What we know is a drop; what we don't know is an ocean."

"Errors are not in the art but in the artificers."

"The paradox is only a conflict between reality and your feeling of what reality ought to be."

"No great discovery was ever made without a bold guess."

"Absurdities must eventually vanish before truth."

"To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me."

"Tact is the art of making a point without making an enemy."

"Gravity explains the motions of the planets, but it cannot explain who set the planets in motion."

"I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the seashore."

"In the absence of any other proof, the thumb alone would convince me of God's existence."

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

"Every action has an equal and opposite reaction in the moral world."

"The more I study nature, the more I stand amazed at the work of the Creator."

"Genius is patience."

"If I have done the public any service, it is due to patient thought."

"Do not trouble yourself about the difficulty of the subject."

"Mathematics is the language in which God wrote the universe."

"The task of the excellent teacher is to stimulate 'apparently ordinary' people to unusual effort over what the world considers a useless subject."

"Constant industry, constant effort, constant output."

"All knowledge begins with wonder."

"God created the universe and established the laws of nature."

"Science is built up of facts, as a house is built of stones."

"The problem is not finding time; it is deciding what to do with it."

"I have not failed, I've just found 10,000 ways that won't work."