The construction industry must evolve or risk becoming obsolete.

"The key to success is to focus on goals, not obstacles."

Quality is more important than quantity. One home run is much better than two doubles.

一个有信仰的人，他的社会力量，是相等于九十九个仅仅只有着各自、各样兴趣的人。

经济模型的价值在于其解释和预测的能力。