[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science. — Carl Sagan Copy Share Image
![“[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science.” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/400/carl-sagan-160_hard_kepler-preferred-the-hard-truth-to-his-d_1407122.jpg)