If we are to connect quotes, a common sense habit of mine is that you can have everything you need, but not at once. and the connection: you can achieve any dream you dreamed, but for some of your dreams you need to work hard. if you are willing to put up with the work needed even the impossible is possible.

Check Polgar research and how he managed to have not one but three daughters to achieve Grandmaster chess rank and become a genius, to support his theory that genius is created, not born. It is one interesting example of achieving the impossible, that was not replicated again.