That Sculpture Is More Admirable Than Painting

Nature's Great Book Is Written In Mathematics.

Names And Attributes Must Be Accommodated To The Essence Of Things, And Not The Essence To The Names, Since Things Come First And Names Afterwards.

Some, Merely To Contradict What I Had Said, Did Not Scruple To Cast Doubt Upon Things They Had Seen With Their Own Eyes Again And Again.

I Wish, My Dear Kepler, That We Could Have A Good Laugh Together At The Extraordinary Stupidity Of The Mob. What Do You Think Of The Foremost Philosophers Of This University? In Spite Of My Oft-repeated Efforts And Invitations, They Have Refused, With The Obstinacy Of A Glutted Adder, To Look At The Planets Or The Moon Or My Glass [telescope].

The Surface Of The Moon Is Not Smooth, Uniform, And Precisely Spherical As A Great Number Of Philosophers Believe It To Be, But Is Uneven, Rough, And Full Of Cavities And Prominences, Being Not Unlike The Face Of The Earth, Relieved By Chains Of Mountains And Deep Valleys.