I think being is the ground of all doing; and that losing touch with that is what brings about the fretful, frenetic doing that seems so crazy in our times. When you remember who it is that is being, you are able to kinda "be" the whole of your concerns and they become a natural extension of your Being, much as our body itself is. Neither one is mandatory (bodies and doing) but they are both more fun when you remember who you are...