Being vs Doing – Resolving the Paradox

If we are “supposed to be” perfect in the moment how do we change ourselves and the world for the better? This apparent paradox is the old question of Being vs Doing. Wisdom calls for us to accept things as they are and at the same time we know that we want to change things. How can this be achieved? I have to say that I pondered this over for several years and the answer seemed to be there, like it was hanging in space, but I could not grasp