Oupacademic: A Very Short Fact: On This Day In 1687, Isaac Newton Published His Landmark Book Philosophiæ Naturalis Principia Mathematica. The Book, Often Referred To As The Principia, Outlines Newton’s Laws Of Motion And Universal Gravity, And Is
the-redheaded-harlot: I’m not jealous. I’m territorial. Same. Don’t mess with my Daddy.
