So I'm reading this blog which advises me to stop reading books and find a mentor. Somewhat paradoxical. Why can't I have a mentor etc and still read a few blog

So I'm reading this blog which advises me to stop reading books and find a mentor. Somewhat paradoxical. Why can't I have a mentor etc and still read a few blogs and books? Maybe what he means is that we learn most from mistakes which caused us to suffer.