"The children are our future, as they say".
It's probably a good idea to start educating them properly then, isn't it?
We've failed to do just that, for at least the last 50 years.
Here's some pointers, and best to show daily, before lessons start in philosophy, math, and the sciences.
(suitable for the age of 5 - 12 years old time in their lives).
That's the whole curriculum, (and day) covered.
Obviously interspersed with massive amounts of playtime!