God Created Everything By Number,

The Description Of Right Lines And Circles, Upon Which Geometry Is Founded, Belongs To Mechanics. Geometry Does Not Teach Us To Draw These Lines, But Requires Them To Be Drawn.

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.

Do Not Great Bodies Conserve Their Heat The Longest, Their Parts Heating One Another, And May Not Great Dense And Fix'd Bodies, When Heated Beyond A Certain Degree, Emit Light So Copiously, As By The Emission And Re-action Of Its Light, And The Reflexions And Refractions Of Its Rays Within Its Pores To Grow Still Hotter, Till It Comes To A Certain Period Of Heat, Such As Is That Of The Sun?

I Can See So Far Because I Stood On The Shoulders Of Giants.

From What Has Been Said It Is Also Evident, That The Whiteness Of The Sun's Light Is Compounded All The Colours Wherewith The Several Sorts Of Rays Whereof That Light Consists, When By Their Several Refrangibilities They Are Separated From One Another, Do Tinge Paper Or Any Other White Body Whereon They Fall. For Those Colours ... Are Unchangeable, And Whenever All Those Rays With Those Their Colours Are Mix'd Again, They Reproduce The Same White Light As Before.