When it comes to peace of mind/happiness/wellbeing/contentment, us humans seem to be wired to look in the wrong place.
We look for all of these things outside of us, when they’re actually already within us.
Indeed you could go as far as saying they are us (or we are them).
It’s like the old Sufi joke, where the drunk is crawling around under a streetlamp. When a stranger asks him if he needs help, he replies,