I don’t like unsolicited advice, and I don’t much believe in the value of lessons or tutors. Advice is mere opinion, and life is about forming our own opinions. Medicine is full of advice, much out of date and the rest impossibly complicated, concealing the fact that it is just plain wrong. But humanity is sustained by being told what to do, so don’t ask intelligent people to actually think—this they are not trained to do. Learning concepts by rote is seen as the concrete foundation …