Johannes Kepler. (2023, March 24). Wikiquote. Retrieved January 14, 2024 from https://en.wikiquote.org/w/index.php?title=Johannes_Kepler&oldid=3272112.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/people/j/johannes-kepler/quotes/i-much-prefer-the-sharpest-criticism-of-a-single-intelligent-man.md