For a counter-mantra to cover most of these: "Directly solve at least one person's real world need." If every startup could work with one customer from the ide

For a counter-mantra to cover most of these: "Directly solve at least one person's real world need." If every startup could work with one customer from the idea stage through prototype and beta, so many problems would be averted. And if that one customer leads you down a narrow path, it is far easier to broaden the scope of useful product than pivot an unwanted idea.