What does a distorted mirror have to do with religion? In the Tip of the Writing Brush, God throughout the sacred book, tells us that we do not understand the teaching. For example, verse III-50
Though I have gathered many and varied trees (followers), III-50
those that cannot understand reasoning (distorted mirror) will not do.
In this world, there are many people that cannot understand or refuse to understand new information that is given to them. In politics, some refuse indisputable facts and continue to support their candidates. In religion, it is very difficult to change the mindset of a follower, even when faced with factual data.
A distorted mirror, will not reveal the true reflection of what we look like; as a mind that attaches to old beliefs may not be able to see what is true. God warns us to understand whatever occurs.
Sometime God gives us guidance to sweep away our evils (greed, arrogance, and self love). Observe, and then ponder what ever occurs.