![Opinion | How the black swan metaphor evolved, and why it shouldn't be confused with a grey rhino | South China Morning Post Opinion | How the black swan metaphor evolved, and why it shouldn't be confused with a grey rhino | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/styles/768x768/public/d8/images/canvas/2022/04/14/d7d50813-7747-4876-be43-684546720381_52710d48.jpg?itok=mGmz6Nu4&v=1649899301)
Opinion | How the black swan metaphor evolved, and why it shouldn't be confused with a grey rhino | South China Morning Post
![Karl Popper Quote: “No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one ...” Karl Popper Quote: “No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one ...”](https://quotefancy.com/media/wallpaper/3840x2160/4786832-Karl-Popper-Quote-No-number-of-sightings-of-white-swans-can-prove.jpg)
Karl Popper Quote: “No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one ...”
March for Science Trivandrum - Drawing the line between science and pseudo-science. The big difference between science and pseudo-science is a difference in attitude. While a pseudo-science is set up to look
![Karl Popper Quote: “No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one ...” Karl Popper Quote: “No number of sightings of white swans can prove the theory that all swans are white. The sighting of just one black one ...”](https://quotefancy.com/media/wallpaper/3840x2160/2923649-Karl-Popper-Quote-No-number-of-sightings-of-white-swans-can-prove.jpg)