儿童并非弱者，他们有足够的智慧。
文学的衰落表明一个民族的衰落。这两者走下坡路的时候是齐头并进的。
可持续性不是一种选择；它是负责任农业的唯一前进道路。
You can’t let fear dictate your life.
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
Mathematics is not just a collection of abstract concepts, but a language that allows us to understand the universe.