Virtue consists， not in abstaining from vice， but in not desiring it.
化学工业是现代文明的支柱，我们必须以应有的尊重和责任对待它。
It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
We need to ensure that the Internet remains a platform for innovation and free expression.
The challenge is to transform the constraints into opportunities.
正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断挖掘和钻研。
The best ideas come from collaboration and diverse perspectives.