Guan Yu means that if a person wants to realize something on his own, it needs a lot of talent, and many people can not calm down, it is difficult to succeed, because people have seven passions and six desires, and it is difficult to get out of this step.

But if it's a snake, it's much simpler. They have no worries, don't think about anything all day, find a place they feel comfortable, feel safe, and don't even need to move for a long time. They can hibernate in winter and have nothing else to do.

So we should say that snakes have a lot of things to comprehend...