Immigration can have positive effects on innovation and productivity.
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.
我认为,当你有梦想并相信它,并且你努力工作,不放弃,你可以实现任何事情。
每本书都是作者首先要独自经历的旅程。