How would you interpret this quote?“Its not about brains. Everyone needs to be smart to a certain extent, but most people are. Its really...

I would add that I think is begs the question on your
capacity to learn. Many people have tons of knowledge floating around in their brains,
but if they can't figure out what to do with it or how to use it, it is
useless.

If while you are young you can learn how to learn,
you will be able to achieve much more. In life, we keep adapting to different
circumstances. If we can apply what we learn in school and life experiences to later and
upcoming experiences, we should be able to reach great successes. As we age, it will be
a matter of disciplining ourselves to keep applying what we have
learned.