The Radius Vector Describes Equal

Just As The Eye Was Made To See Colours, And The Ear To Hear Sounds, So The Human Mind Was Made To Understand, Not Whatever You Please, But Quantity.

As Soon As Somebody Demonstrates The Art Of Flying, Settlers From Our Species Of Man Will Not Be Lacking On The Moon And Jupiter... Given Ships Or Sails Adapted To The Breezes Of Heaven, There Will Be Those Who Will Not Shrink From Even That Vast Expanse.

A Most Unfailing Experience... Of The Excitement Of Sublunary (that Is, Human) Natures By The Conjunctions And Aspects Of The Planets Has Instructed And Compelled My Unwilling Belief.

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.

Yet In This My Stars Were Not Mercury As Morning Star In The Angle Of The Seventh House, In Quartile With Mars, But They Were Copernicus, They Were Tycho Brahe, Without Whose Books Of Observations Everything Which Has Now Been Brought By Me Into The Brightest Daylight Would Lie Buried In Darkness.