There’s just not enough time in a lifetime to see every movie, read every book, travel to every country, hear every song, watch every show, or view every sculpture. And that’s ok:
It’s sad, but it’s also … great, really. Imagine if you’d seen everything good, or if you knew about everything good. Imagine if you really got to all the recordings and books and movies you’re “supposed to see.” Imagine you got through everybody’s list, until everything you hadn’t read didn’t really need reading. That would imply that all the cultural value the world has managed to produce since a glob of primordial ooze first picked up a violin is so tiny and insignificant that a single human being can gobble all of it in one lifetime. That would make us failures, I think.