Sir Isaac Newton Quotes

In the absence of any other proof, the thumb alone would convince me of God’s existence.

Geometry is that part of universal mechanics which accurately proposes and demonstrates the art of measuring.

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.

The alteration of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.