The young college students should be a vibrant, high-spirited generation, why they have the weakness of depression, lack of hard work and great vision, and lack motivation to learn and so on.

青年大学生本应该是朝气蓬勃、意气风发的一代，为什么却意志消沉，缺乏吃苦耐劳精神及远大抱负，学习动力不足等弱点。

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Preschool brains haven't yet fully developed the prefrontal system, and young kids' free-spirited thinking can be contagious.

WSJ: Mind & Matter: Alison Gopnik on Beating the Brain's Curbs on Innovation