当你看起来最轻松时,往往是你最担忧的时候。
Good policy requires both sound theory and empirical validation.
最优秀的矿业领导者是那些在别人只看到风险时能看到机遇的人。
I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.