An idea that is not dangerous is unworthy of being called an idea at all.
The significance of a mental state lies in what it leads to.
可持续发展应成为我们今天每个商业决策的核心。
如果我们想为子孙后代提供粮食,可持续农业是唯一的前进方向。
统计学的目的是让不可见的事物变得可见。