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林業技術應該服務于自然，而不是征服它。

唯一能讓你自由的是你自己的思想。

The art of progress is to preserve order amid change and to preserve change amid order.

True leadership is about empowering others to achieve their potential.

"The difference between a happy marriage and a miserable one... consists of about ten continued acts of stupidity or kindness, depending on the direction."

真相是一把刀，它兩面都割。

堅持是數學研究的關鍵，許多偉大的成果來自于長期的奮斗。