Law 1: Every body persists in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by force impressed.
Law 2: The alteration of motion is ever proportional to the motive force impress’d; and is made in the direction of the right line in which that force is impress’d.
Law 3: To every action there is always opposed an equal reaction: or the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.
Isaac Newton, Philosophia Naturis Principia Mathematica, 1687.
Law 4: America is a people in motion.
The common American narrative of the birth our nation is that our principled forefathers cast off the yoke of nearly two centuries of imperial British rule with the Declaration of Independence. Continue reading