The only sin is mediocrity.

颜渊感叹地说：“老师的学问越仰望越觉得高耸，越钻研越觉得深厚；看着就在前面，忽然却在后面。老师步步引导，用知识丰富我，用礼法约束我，想不学都不成。

Business as usual is no longer an option.

The human race has one really effective weapon, and that is laughter.

The future of energy will require collaboration across industries, governments, and societies.

The purpose of education is to make up for the shortcomings in our instinctive ways of thinking.

"The truth is rarely pure and never simple."

Music is what I am.

You cannot escape your freedom.