The saying goes "those who can, do; those who can't do, teach". But I've shown that those who can't do shouldn't teach. - Nassim Nicholas Taleb

People like to eat fish by the water even if the fish was caught far away and transported by trucks.

Popper’s falsificationism is intimately connected to the notion of an open society. An open society is one in which no permanent truth is held to exist; this would allow counter-ideas to emerge. Karl Popper shared ideas with his friend, the low-key economist von Hayek, who endorsed capitalism as a state in which prices can disseminate information that bureaucratic socialism would choke. Both notions of falsificationism and open society are, counterintuitively, connected to those of a rigorous method for handling randomness in my day job as a trader. Clearly, an open mind is a necessity when dealing with randomness. Popper believed that any idea of Utopia is necessarily closed owing to the fact that it chokes its own refutations.

Silver Rule (negative golden rule): Do not do to others what you would not like them to do to you. Note the difference from the Golden Rule, as the silver one prevents busybodies from attempting to run your life.