Quotes by Isaac Newton

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I consider myself like a child who, playing on the seashore, found a few pebbles smoother and a few shells more variegated than others, while the endless ocean of truth lay unexplored before my eyes.

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Nature is simple and does not overdo unnecessary causes.

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I'm not making assumptions. If I have seen further than others, it is because I have stood on the shoulders of giants.

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Genius is patience of thought directed in a desired direction.

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If I saw further than others, I could do so because I was standing on the shoulders of giants.

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

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Our knowledge is a drop. What we don't know is an entire ocean.

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I am like a child playing on the beach who, while playing, finds here and there a pebble that is flatter than usual or a shell that is more beautiful than usual, while the great ocean of truth lies completely undiscovered before my eyes.

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All the difficulties of physics, it seems, consist in finding out the forces of nature from the phenomena of motion, and then using these forces to explain the other phenomena.

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Let us not assume more causes in natural things than are true and sufficient to explain the phenomena.

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I can calculate the movements of the heavenly bodies, but I cannot calculate human madness.

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Gravity explains the motion of the planets, but does not answer the question of who set them in motion.