I've found it more useful to focus on "How to deprioritize tasks?" There, it's helpful to have a good understanding of the operative principles and values. All

I've found it more useful to focus on "How to deprioritize tasks?" There, it's helpful to have a good understanding of the operative principles and values. All sorts of possible to-do items come up that only kinda sorta express those values. Those are the enemy. You have to get good at the logic of necessity and sufficiency to recognize which ones you can ignore entirely.