Work on yourself and your surroundings and everything will improve around you, there you just changed the world.
Completely agree with your wise words. We don't need to work to others of depend from others. But give your support as you can and if someone request from you. Actually this is not good time for living due to big economical disasters. In that condition gardening is a very helpful part for secure our money and prevent from diseases. Stay alive and have a successful day.