The Copernican revolution brought about by Kant was, I think, the most important single turning point in the history of philosophy.
Quotes about copernican (3 Quotes)
Over a century after the publication of the Copernican system, one of England's most renowned intellectual luminaries was still unconvinced 'Nevertheless, in the system of Copernicus there are found many and great inconveniences for both the loading of the earth with a triple motion is very incommodious, and the separation of the sun from the company of the planets, with which it has so many passions in common, is likewise a difficulty, and the introduction of so much immobility in nature, by representing the sun and stars as immovable, especially being of all bodies the highest and most radiant, and making the moon revolve about the earth in an epicycle, and some other assumptions of his, are the speculations of one who cares not what fictions he introduces into nature, provided his calculations answer.'
In the time of Galileo it was argued that the texts, 'And the sun stood still ... and hasted not to go down about a whole day' (Joshua x. 13) and 'He laid the foundations of the earth, that it should not move at any time' (Psalm cv. 5) were an adequate refutation of the Copernican theory.