When science, art, literature, and philosophy are simply the manifestation of personality they are on a level where glorious and dazzling achievements are possible, which can make a man's name live for thousands of years.
Government has the role of suiting people for freedom. People aren't made for freedom spontaneously. There's sort of a 19-year race between when people are born and when they become adults. And government has a role in making them, at the end of 19 years, suited to be upright, trustworthy repositories of popular sovereignty.