世上所有的鸡蛋去碰石头,石头也会依然如故,不会被毁坏。
Sustainability is not an option; it's a necessity for the future of agriculture and food production.
后见之明对历史学家乃至回忆录作者非常有用,但遗憾的是,实践中的政治家却无法拥有。
The best way to predict the future is to create it.