There Are Those Who Reason Well, But

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.

You May Force Me To Say What You Wish; You May Revile Me For Saying What I Do. But It Moves.

Measure What Can Be Measured, And Make Measureable What Cannot Be Measured.

The Universe Is A Grand Book Which Cannot Be Read Until One First Learns To Comprehend The Language And Become Familiar With The Characters In Which It Is Composed. It Is Written In The Language Of Mathematics.

Among The Great Men Who Have Philosophized About [the Action Of The Tides], The One Who Surprised Me Most Is Kepler. He Was A Person Of Independent Genius, [but He] Became Interested In The Action Of The Moon On The Water, And In Other Occult Phenomena, And Similar Childishness.