"The only limit to our realization of tomorrow will be our doubts of today."

When you say 'yes' to others, make sure you are not saying 'no' to yourself.

译文：了解人情世故就是一门学问，能应付人情世故就是好文章。赏析：我们要学会洞悉人性，洞察人心，要善于向书本学习，向社会学习，悟透人情世故，处事圆滑，才能走得更远。

创新在开放的环境中蓬勃发展。