Where Both Are Friends, It Is Right

What Descartes Did Was A Good Step. You Have Added Much Several Ways, And Especially In Taking The Colours Of Thin Plates Into Philosophical Consideration. If I Have Seen A Little Further It Is By Standing On The Shoulders Of Giants.

A Man May Imagine Things That Are False, But He Can Only Understand Things That Are True, For If The Things Be False, The Apprehension Of Them Is Not Understanding.

Every Action Has An Equal And Opposite Reaction

A Cylinder Of Air Reaching To The Top Of The Atmosphere Is Of Equal Weight With A Cylinder Of Water About 33 Feet High.

Every Particle Of Matter Is Attracted By Or Gravitates To Every Other Particle Of Matter With A Force Inversely Proportional To The Squares Of Their Distances.