Albert Einstein was undoubtedly a genius—he connected more dots, in more unique ways, than almost any other human. At the same time, he was bound by the same mental limits that we all are. To conceive of an idea like the general theory of relativity, he had to collect and connect an incredible number of dots so he could bridge ideas from nature and mathematical concepts, forming connections others hadn’t. To let his mind wander habitually, he played the violin for hours on end.