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我們開采的每一噸煤炭都必須以最小的環境影響創造最大的價值。

You are God, and your imagination is divine.

But what is happiness except the simple harmony between a man and the life he leads?

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

解決復雜問題的關鍵在于將它們分解成更小、更易管理的部分。

外在世界只是內在世界的反映。