“To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.” — Copernicus Advertisements Share this:ShareFacebookLinkedInTwitterTumblrPinterestGoogleLike this:Like Loading... Related 3 thoughts on “” Add yours Copernicus was amazing…as was Kepler… Reply Great quote 🙂 Reply no one knows anything Reply Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google+ account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) w Cancel Connecting to %s Notify me of new comments via email.