A PhD isn’t for everyone. It’s hard work for an uncertain future and in most cases not that much money. If you are smart, driven by the pursuit of knowledge fo

A PhD isn’t for everyone. It’s hard work for an uncertain future and in most cases not that much money. If you are smart, driven by the pursuit of knowledge for its own sake and passionate about a difficult problem then go for it. It’s like loving the hill climbs in the Tour de France. And sometimes the commercialisation of and idea can make you rich but probably won’t.