Tact Is The Art Of Making A

The Alternation 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.

Definition Of Inertia: 'the Vis Insita, Or Innate Force Of Matter, Is A Power Of Resisting By Which Every Body, As Much As In It Lies, Endeavours To Preserve Its Present State, Whether It Be Of Rest Or Of Moving Uniformly Forward In A Straight Line.

I Have Not Been Able To Discover The Cause Of Those Properties Of Gravity From Phenomena, And I Frame No Hypotheses; For Whatever Is Not Deduced From The Phenomena Is To Be Called A Hypothesis, And Hypotheses, Whether Metaphysical Or Physical, Whether Of Occult Qualities Or Mechanical, Have No Place In Experimental Philosophy.

If I Have Ever Made Any Valuable Discoveries, It Has Been Due More To Patient Attention, Than To Any Other Talent

This Principle Of Nature Being Very Remote From The Conceptions Of Philosophers, I Forbore To Describe It In That Book, Least I Should Be Accounted An Extravagant Freak And So Prejudice My Readers Against All Those Things Which Were The Main Designe Of The Book.