过去总是在变化。它不是固定的。过去并不稳定。

The most exciting aspect of chemistry is the ability to create new molecules that have never existed before.

Innovation in forestry must balance economic growth with ecological preservation.《绿色未来》

"I like to tell stories that are a little bit off-center, a little bit strange."

The greatest question of our time is not communism versus individualism, not Europe versus America, not even the East versus the West; it is whether man can bear to live without God.