To Explain All Nature Is

Tact Is The Art Of Making A Point Without Making An Enemy.

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.

...from The Same Principles, I Now Demonstrate The Frame Of The System Of The World.

Physics, Beware Of Metaphysics.

I Do Not Define Time, Space, Place, And Motion, As Being Well Known To All. Only I Must Observe, That The Common People Conceive Those Quantities Under No Other Notions But From The Relation They Bear To Sensible Objects. And Thence Arise Certain Prejudices, For The Removing Of Which It Will Be Convenient To Distinguish Them Into Absolute And Relative, True And Apparent, Mathematical And Common.