I think it is so true about everything we needed to learn in life we learned in kindergarten. If we want to continue to grow as adults we still need to get an education whether we stay in school, taking classes or online or even continually reading. The trick is to grow your mind and your skill set to accomplish your dreams.
I have found having even the smallest edge of knowledge sets you miles apart from your competitors and allows to to dominate and not look back.
Do what your Mom always said, go read a book. Check out Udemy online. Take a webinar, class, teleseminar. Open your mind and receive what’s out there.