“the current [bank] interest rates (at least in the developed world) are lower than inflation”.
That’s a big deal! And kids should be taught this as early as possible.
I was taught that saving your money makes more money (which is true), but never taught how to make that money into more money!

The other one is just a fantastic goal that everyone should be aiming for when it comes to retirement, “you withdraw less than you’re gaining”.
I’m not even sure that many of our peers even think about retirement. I know I don’t.