When a person leaves your sight and disappears for only a few seconds, you will give him a comment, but it will not work when faced up. Smart people must see their back more important than their front face. This back is one of their own. Statue. The sculpture is operated by others, and the materials and scale are provided by ourselves. We don't expect to make everyone perfect, but at least "walk over" ourselves and don't let others poke the backbone. The most suitable for this text title is:. ['Be optimistic about your back.', 'Back view is more important than the front face.', 'People stay in the name, geese stay in the voice.', "Back view is a person's virtue and reputation."]