Some time before there lived a toad. One day toad told his neighbors that he is a qualified doctor. In over confidence he assured them that he could cure anything. There was a very clever fox in his neighborhood. While hearing the toad news the fox came over to the toad.
The fox examined the toad very carefully and after some time he asked-“sir, Toad everyone in our neighborhood is talking about you and your ability to cure anything. I was wondering if you could do so, you should cure your blotchy and rough skin first. By doing this everyone would truly believe you. Therefore take my suggestion or there are other professions you can refer to.”
you should fix yourself first to fix others.