Success is not final, failure is not fatal: It is the courage to continue that counts.

Natural experiments can provide valuable insights into economic questions.

艺术的工作就是驱赶丑陋。

I don't let the world steal my peace.

为明天做好的最好准备就是今天做好工作。

尽可能及时地向供应商、工人、承包商结款。他们下次会不遗余力地优先服务你。