城市的伟大是由它的公共空间衡量的。
A city’s greatness is measured by its public spaces.
数学的目标不是解决问题,而是理解问题。
石油的真正成本不仅仅是每桶的价格,还包括环境和社会影响。
The world needs energy, but it needs responsible energy more than ever.