Of course we all do the best we can. It is thinking otherwise that leads to [our] difficulty. Expecting more than we are capable pushes us to expect more of others than they are capable. The result is contending incessantly with how 'it' is. When we are not content with how 'it' is, we flail around all the more to 'get it right' and 'just do it'. No wonder doing less and less until one does nothing at all, and when one does nothing at all there is nothing that is undone sounds so strange. It may sound less odd when you consider that this is not referring to activity per se, but to how we approach life. Taking one step at a time, from beneath one's feet, has the feeling of doing nothing at all, but ironically, is the most efficient way to 'get life done'. Just ask the other animals on earth!