What We Know Is A Drop, What

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.

I Do Not Know What I May Appear To The World, But To Myself I Seem To Have Been Only A Boy Playing On The Seashore.

I Shall Not Mingle Conjectures With Certainties.

Thus You May Multiply Each Stone 4 Times & No More For They Will Then Become Oyles Shining In Ye Dark And Fit For Magicall Uses. You May Ferment Them With Gold And Silver, By Keeping The Stone And Metal In Fusion Together For A Day, & Then Project Upon Metalls. This Is The Multiplication Of Ye Stone In Vertue. To Multiply It In Weight Ad To It Of Ye First Gold Whether Philosophic Or Vulgar.

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