Knowing Thyself, That Is The Greatest Wisdom.

The Doctrine That The Earth Is Neither The Center Of The Universe Nor Immovable, But Moves Even With A Daily Rotation, Is Absurd, And Both Philosophically And Theologically False, And At The Least An Error Of Faith.

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.

Measure What Is Measurable, And Make Measurable What Is Not So.

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

Where The Senses Fail Us, Reason Must Step In.