He was by all accounts an insufferable asshole, petty, vindictive, and completely aware how fucking stupid most people are esp compared to him. And also a Biblical conspiracy theorist who was much more interested in the exact dimensions of the Old Temple than in developing Calculus.

Also he arguably created the miraculous technological world in which we live better lives than he could have dreamed. Our debt to him can never be fully paid. His name will rightly outlive us.