beyondstartup.s on Instagram: "Jeff Bezos decided not to become a theoretical physicist during his time at Princeton University when he encountered a particularly difficult partial differential equation. Despite being a strong student, he and his roommate struggled for three hours to solve this problem without success. They then sought help from their friend Yasantha Rajakarunanayake, considered the "smartest guy at Princeton," who solved it in seconds by recognizing it as analogous to a problem