The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.
生活是一段旅程，每一次经历都是一堂课。
怀疑是智慧的开始。
历史不仅仅是发生了什么，而是我们记得什么以及我们如何记得它。
The biggest challenge isn't the science - it's changing people's perceptions.
可持续性不是一种选择，而是唯一的前进道路。