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改變是困難的，但對于進步是必要的。

解讀：智慧并非單純知識堆砌，而是精準權衡事物各要素關系，做出客觀、公平評判，不夸大不縮小，正確抉擇。

法律體系是根據其自身的有效性標準而有效的規則體系。

I believe in the power of love.

You control your future, your destiny. What you think about comes about. By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

解釋：空有虛名而無實際行動的人，必然會招來人們的怨恨。

You can't manage what you don't measure.

I don't care about fame. I care about the work.