Sustainability isn't an option; it's a responsibility we owe to future generations.
可持续性不是一种选择；而是我们对后代的责任。
译文：读书学习，每天都要补上自己的不足，半途而废和剪断织布的线有啥区别?(乐羊子妻劝丈夫坚持学习)
The difference between ordinary and extraordinary is that little extra.
因果关系的语言是科学的语言。