I am more interested in your fruit than I am your theology. If your knowledge doesn't better equip you to love, it's worthless.
If you know yourself, then you'll not be harmed by what is said about you.
Going back to a simpler life based on living by sufficiency rather than excess is not a step backward. Rather, returning to a simpler way allows us to regain our dignity, puts us in touch with land, and makes us value human contact again.