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The true measure of a mining company's success is how it balances profit with environmental responsibility.

Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

The key to success is to focus on goals, not obstacles.

從精神奴役中解放自己，只有我們自己才能解放我們的思想。

抽象的目的不是模糊，而是創建一個新的語義層次，在這個層次上可以絕對精確。