Once there was a thirsty crow who is very thirsty and need water and he is flying but he don't find any water after some time find a pot with little water then he had an idea he collect stone one by one after very hard work he collected a lot if stone and put it into the pot then the water is getting filled with water then he finally drink the water and he feels very happy after doing hardwork and get a good result.
Moral- try try but don't cry