Whence Arises All That Order And Beauty

Truth Is The Offspring Of Silence And Meditation.

Do Not Several Sorts Of Rays Make Vibrations Of Several Bignesses, Which According To Their Bigness Excite Sensations Of Several Colours, Much After The Manner That The Vibrations Of The Air, According To Their Several Bignesses Excite Sensations Of Several Sounds? And Particularly Do Not The Most Refrangible Rays Excite The Shortest Vibrations For Making A Sensation Of Deep Violet, The Least Refrangible The Largest Form Making A Sensation Of Deep Red, And Several Intermediate Sorts Of Rays, Vibrations Of Several Intermediate Bignesses To Make Sensations Of Several Intemediate Colours?

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.

I Can Calculate The Motion Of Heavenly Bodies, But Not The Madness Of People.

I Keep The Subject Of My Inquiry Constantly Before Me, And Wait Till The First Dawning Opens Gradually, By Little And Little, Into A Full And Clear Light.