一家采矿公司的真正价值在于其平衡利润与环境管理的能力。

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

信任是建立在诚实和忠诚基础上的珍贵财富。

保持饥饿，保持愚蠢。

一个好的模型是准确性和简洁性之间的折衷。