Eyesight Should Learn From Reason.

But Although The Attractive Virtue Of The Earth Extends Upwards, As Has Been Said, So Very Far, Yet If Any Stone Should Be At A Distance Great Enough To Become Sensible Compared With The Earth's Diameter, It Is True That On The Motion Of The Earth Such A Stone Would Not Follow Altogether; Its Own Force Of Resistance Would Be Combined With The Attractive Force Of The Earth, And Thus It Would Extricate Itself In Some Degree From The Motion Of The Earth.

I Myself, A Professional Mathematician, On Re-reading My Own Work Find It Strains My Mental Powers To Recall To Mind From The Figures The Meanings Of The Demonstrations, Meanings Which I Myself Originally Put Into The Figures And The Text From My Mind. But When I Attempt To Remedy The Obscurity Of The Material By Putting In Extra Words, I See Myself Falling Into The Opposite Fault Of Becoming Chatty In Something Mathematical.

He Who Will Please The Crowd And For The Sake Of The Most Ephemeral Renown Will Either Proclaim Those Things Which Nature Does Not Display Or Even Will Publish Genuine Miracles Of Nature Without Regard To Deeper Causes Is A Spiritually Corrupt Person... With The Best Of Intentions I Publicly Speak To The Crowd (which Is Eager For Things New) On The Subject Of What Is To Come.

...for A Long Time I Wanted To Become A Theologian... Now, However, Behold How Through My Efforts God Is Being Debated In Astronomy.

Without Proper Experiments I Conclude Nothing.