No Sciences Are Better Attested Than The

It Is The Weight, Not Numbers Of Experiments That Is To Be Regarded.

Are Not Gross Bodies And Light Convertible Into One Another; And May Not Bodies Receive Much Of Their Activity From The Particles Of Light Which Enter Into Their Composition? The Changing Of Bodies Into Light, And Light Into Bodies, Is Very Conformable To The Course Of Nature, Which Seems Delighted With Transmutations.

I Do Not Know What I May Appear To The World, But To Myself I Seem To Have Been Only Like A Boy Playing On The Seashore, And Diverting Myself In Now And Then Finding A Smoother Pebble Or A Prettier Shell Than Ordinary, Whilst The Great Ocean Of Truth Lay All Undiscovered Before Me.

Our Design, Not Respecting Arts, But Philosophy, And Our Subject, Not Manual, But Natural Powers, We Consider Chiefly Those Things Which Relate To Gravity, Levity, Elastic Force, The Resistance Of Fluids, And The Like Forces, Whether Attractive Or Impulsive; And Therefore We Offer This Work As Mathematical Principles Of Philosophy; For All The Difficulty Of Philosophy Seems To Consist In This From The Phenomena Of Motions To Investigate The Forces Of Nature, And Then From These Forces To Demonstrate The Other Phenomena.

I Do Not Know What I May Appear To The World, But To Myself I Seem To Have Been Only A Boy Playing On The Seashore.