Sustainable infrastructure should balance economic, social and environmental benefits.

不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。

Technological progress should make life simpler, not more complicated.

真正的领导者要敢于承担责任，敢于做决定。