There's no limit for the amount of growth and development the mind can handle. That's one of the most exceptionnal characteristic of Homo Sapiens (see [Sapiens - A Brief History of Humankind - Yuval Noah Harrari](Sapiens%20-%20A%20Brief%20History%20of%20Humankind%20-%20Yuval%20Noah%20Harrari.md)). --- *From: [How To Read A Book, The Classic Guide To Intelligent Reading - Mortimer J. Adler, Charles Van Doren](How%20To%20Read%20A%20Book,%20The%20Classic%20Guide%20To%20Intelligent%20Reading%20-%20Mortimer%20J.%20Adler,%20Charles%20Van%20Doren.md)*