【译文】 孔子说：“将知识默记在心，学习时，不感到满足；教人时，不感到疲倦，对我来说没什么问题。”

释义：因为一个关键的错误，可能导致整体的失败，一切努力都白费。

Men marry because they are tired, women because they are curious; both are disappointed.

I don't need a reason to love myself.

真正的创新来自于对未来的信仰。