Mostly I know that I know virtually nothing, mostly because I spent most of my life learning about anything I took an interest in. But there is always so much more to learn! Even the newest developments in science and technology are among the main posts that attract my attention on the Internet.
Artificial intelligence is a great help: it allows for a totally new approach, like sparring with an intelligent partner who is never getting tired of answering your questions, be they general overviews or detailed questions. It will undoubtedly teach our children in ways we were never taught, but we will need to have the AIs going after the truth, lest we save our future.
But there is knowing and Knowing: the latter means you do know something for certain, but you have no certainty about how you know...
