We should follow whatever seems probable, and avoid whatever seems improbable.
女孩就是要见见世面,才能决定自己想过什么样的生活。
Good econometrics is like good carpentry—it's all about using the right tool for the job.
民主的未来取决于其提供经济增长和社会正义的能力。
教育的最大的秘诀是:使身体锻炼和思想锻炼互相调剂。