Every Action Has An Equal And Opposite

Plato Is My Friend, Aristotle Is My Friend, But My Greatest Friend Is Truth.

I Am Ashamed To Tell You To How Many Figures I Carried These Calculations [of Pi], Having No Other Business At The Time

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.

The Ignis Fatuus Is A Vapor Shining Without Heat.

Our Present Work Sets Forth Mathematical Principles Of Philosophy. For The Basic Problem Of Philosophy Seems To Be To Discover The Forces Of Nature From The Phenomena Of Motions And Then To Demonstrate The Other Phenomena From These Forces. It Is To These Ends That The General Propositions In Books 1 And 2 Are Directed, While In Book 3 Our Explanation Of The System Of The World Illustrates These Propositions.