It embodies the educational principle of enlightenment. This sentence comes from China's earliest educational monograph "Xueji". The original words are "Tao leads the way", which means that in teaching, when students encounter cognitive difficulties, they should be guided to a certain extent by analyzing their cognitive process, but they should not limit their thinking. The purpose is to help students break through the cognitive dilemma and successfully complete knowledge learning. Therefore, from the perspective of educational principles, this sentence embodies the enlightening educational principles.