Looking for what would prove you wrong

For Popper, an idea counts as knowledge only if you can say what, if observed, would refute it: a belief that nothing could ever contradict is not solid, only sheltered. This exercise turns that test on your own convictions: actively looking for what would prove them wrong, so as to hold them as revisable conjectures rather than dogmas. Today it guards against stubbornness and the information bubbles where one meets only what confirms one's view.