See Now The Power Of Truth.

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.

In The Sciences, The Authority Of Thousands Of Opinions Is Not Worth As Much As One Tiny Spark Of Reason In An Individual Man.

With Regard To Matters Requiring Thought: The Less People Know And Understand About Them, The More Positively They Attempt To Argue Concerning Them.

To Understand The Universe, You Must Understand The Language In Which It's Written, The Language Of Mathematics.

It Reveals To Me The Causes Of Many Natural Phenomena That Are Entirely Incomprehensible In The Light Of The Generally Accepted Hypotheses. To Refute The Latter I Collected Many Proofs, But I Do Not Publish Them ... I Would Dare To Publish My Speculations If There Were People Men Like You.