It is the subjective world that rules the objective. Change the subject, and the object is bound to change; purify youreslf, and the world is bound to be purified.
Become aware of internal, subjective, subverbal experiences, so that these experiences can be brought into the world of abstraction, of conversation, of naming, etc. with the consequence that it immediately becomes possible for a certain amount of control to be exerted over these hitherto unconscious and uncontrollable processes.
If we all could be a true friend to someone, praying and encouraging one person somehow, that's a first step in being part of making the world a better place.