If it's knowledge and wisdom you want, then seek out the company of those who do real work for an honest purpose.
As for writing, that's a cruel hard business. Unless you're very lucky it'll break your heart.
What is the essence of the art of writing? Part One: Have something to say. Part Two: Say it well.
Reason is and ought to be, as Hume said, the slave of the passions.
Readers, not critics, are the people who determine a book's eventual fate.