子曰：“温故而知新，可以为师矣。”
The Master said, “Reviewing the old as a means of realizing the new—such a person can be considered a teacher.” NUyajKe3cBbp4bBa1tD2xPpkGoG9VLX/399tXQCOCFI/khkNXeL1qnZw4SnfzM5F
