Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.


The Principia: Mathematical Principles of Natural Philosophy (1687), 3rd edition (1726), trans. I. B. Cohen and Anne Whitman (1999), Book 3, Rules of Reasoning in Philosophy, Rule 2

Isaac Newton Quotes

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.