You can't be the most learned or knowledgeable person in the world. Knowledge is an ever unfolding process of new discoveries, u can only expand your consciousness & explore more parts of your pscyche through acquiring meaningful knowledge & working positively with that information.

In this quest of your's, you have to read more on Philosophy, read books from Aristotle & his contemporaries you need to have a fresh perception on how they perceive the world then. You also need to check some ancient Chinese classics from Lao Tzu books like iChing (book of changes), Tao Te Ching, Wua Wu Ching, Hua Hu Wei for starters. Read about the ancient meditation techniques of the old Sages from all over the world.

Books on self-development, self-discovery & mental robustness are encouraged too. Pick some spiritual books to broaden the horizons of your mind. The power of now by Eckhart Toole is one of the rarest gifts you can nourish your soul with.

The alchemist, Spiritual laws of success, 48 laws of power, being supernatural, the emotion code, The SECRET, Power vs Force, Untethered Soul, The Art of war, The Subtle Art of not giving a F*ck, are some few books on Self-development and actualisation, we can't know everything but we can always be a work in progress.

Research more on knowledge & limit your social media use and don't be afraid to evolve into a higher version of yourself.