学习古人的文章，必须先理解其思想内涵，然后再学习其文辞表达。

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.

作物的多样性和思想的多样性同样重要；两者都是韧性的关键。

在石油行业，效率和可持续性是同一枚硬币的两面。

像明天就要死去一样活着，像永远活着一样学习。