If you wanted to move a large boulder there are a number of methods you could try. You could try and lift it. Better yet you could try to roll it. Better again you could use an iron bar to get it rolling and then allow gravity to do the work.
Action: Although persistence is important when making change, it’s not all about effort: there are some approaches that are far more efficient than others mean more results for less effort. Experiment and see if you can find a method with good leverage.