The internet is a tool that can be used for good or bad. It's up to us to decide how we use it.
互联网是一种工具，可以用来做好事或坏事。取决于我们如何使用它。
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.
对我们未来最大的威胁是冷漠。
Profitability and environmental responsibility must go hand in hand—there is no other way.