To travel is to write, and to write is to travel.

I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.

History is not the past. It is the present. We carry our history with us. We are our history.

城市人工制品是一件艺术品，也是一份历史文献。

人生没有如果，只有结果和后果。

唯一让我继续前进的是我热爱我所做的事。

最具可持续性的企业是那些平衡利润与目标的企业。