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One of the advantages of being old is that you can speak your mind without worrying about the consequences.

譯文：古人最忌諱，表面對人順從，背地里卻反對。

Innovation happens when you challenge the status quo and think differently.

教學不是注滿一桶水，而是點燃一把火

成功不在于名利，而在于觸動人心。