This sounds like wonderful advice to me. If you are an English speaker, I frankly don’t see the return on the immense investment of time and energy learning a l

This sounds like wonderful advice to me. If you are an English speaker, I frankly don’t see the return on the immense investment of time and energy learning a language requires unless you will eg live there or do much business there. Unfortunately for the average person I’d imagine learning math might not be extraordinarily useful either.