May 11, 2017

[HDGEM] The sighting of just one black one may disprove it.

Karl Popper famously stated, "No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one may disprove it."

--
Posted By Blogger to HDGEM at 5/11/2017 05:46:00 AM