Puyang Zhenyan 928涓囧瓧 999191浜鸿杩 杩炶浇
銆娕访雷酆锨耘难侵拮酆贤笺
Gu Changkang bites the sugarcane, first eats the tail, asks why, cloud: "Gradually to the best."
Even if there are delicious dishes, if you don't eat them, you don't know their taste; even if there are the ultimate truth, if you don't learn it, you don't know its goodness. Therefore, only after learning can you know your shortcomings, and only after teaching can you know your difficulties. Knowing your shortcomings, you can reflect on yourself; knowing your difficulties, you can strengthen yourself. Therefore, it is said that teaching and learning complement each other. "The Book of Changes" says: "Learning is half done." Is this what it means!
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