"What goes up must come down." ― Isaac Newton Science Apple From Isaac Newton Mathematician Added on 1/31/2026 About Isaac Newton Isaac Newton was an English mathematician and physicist whose work transformed mechanics, optics, and astronomy. His formulation of the laws of motion and universal gravitation became foundational to classical physics. Born: 1642-12-25 Died: 1727-03-31 View all quotes from Isaac Newton
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