有的人忙着死，有的则人忙着活。

心灵是一个动态的过程系统。

An artist’s job is to make the invisible visible.

"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."

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

Simplicity does not precede complexity, but follows it.