Earn with your mind, not with your time. - Naval Ravikant

Read older books and primary source materials.
Read algorithms, skim data, skip stories.

Knowledge only you know or only a small set of people knows is going to come out of your passions and your hobbies, oddly enough. If you have hobbies around your intellectual curiosity, you’re more likely to develop these passions.

You lost your childhood sense of wonder and of being present and happy. You lost your inner happiness because you built up this personality of unresolved pain, errors, fears, and desires that glommed onto you like a bunch of barnacles.