All I can tell you really is if you get to the point where someone is telling you that you are not great or not good enough, just follow your heart and don't let anybody crush your dream.
If left unchecked, global change will create violent conflict, torrential storms, shrinking coastlines, and irreversible catastrophe.
In a way you can feel that the poet actually is looking over your shoulder, and you say to yourself, now, how would this go for him? Would this do or not?