Over-analysing and under-analysing — are these not the two sins of thought which we are all meant to avoid? Believing a sniffle is a presage of imminent death. Not bothering about a pain in the chest. Thinking all the problems of the world are easy to solve. Deciding that most things are too difficult to solve. Over-thinking and under-thinking are the Scylla and Charybdis between which we all navigate. But there is one challenge at this moment in particular which the world would do well to understand a bit better and over-think a bit less. Our future depends on it.