Studying and learning self-improvement material is essential for self-growth but it is only a prerequisite. We don't actually grow by learning; we grow by doing. The world is filled with Mensa candidates who are also total and abject failures.
Case in point, William James Sidis, often cited as one of the most intelligent people who ever lived, had an IQ estimated to be between 250 and 300. He died at age 46, sad and alone. A destitute that never accomplished anything worthwhile.
On the other hand, the tales of great men and women who reached the pinnacle of success and achievements with little or no formal education could fill an entire library.
