In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.

If there's a book that you want to read, but it hasn't been written yet, then you must write it.

建筑中最重要的材料是光。

The best way to find yourself is to lose yourself in the service of others.

努力拼搏，聪明拼搏，但最重要的是，一起拼搏。

"The true sign of intelligence is not knowledge but imagination."