Simple bit of not-particularly-original irony that I sometimes reflect on, and have recently as well.
The worst people I’ve known over the course of my life invariably thought they were fundamentally good people and justified in everything they did.
The best people I’ve known over the course of my have have spent a lot of time wondering whether they were fundamentally bad people and whether anything that they did could be justified.
It’s trite, but it’s funny how that works. It’s a truism for a reason.