投资者应避免试图把握市场时机；这是一个失败的战略。
Investors should avoid trying to time the market; it's a losing strategy.
Goals determine what you are going to be.
The truth is like the sun. You can shut it out for a time, but it ain't goin' away.
The key to success in mining is sustainability—balancing economic growth with environmental responsibility.
挑战让生活有趣，克服它们让生活有意义。