A Mirror of Life
It is stated that a mirror is useful to us, as we can see our image in it. But it’s useless for the blind. The advice is also compared to a mirror that we can reflect on it and more than that, we can make use of it to improve our life for the better. However, some people see and know the advice is good for their life, but they intentionally ignore it, pretending neither to hear nor see. Therefore, they could be regarded as a blind man.