苦难使他的心智成熟.

Suffering matured his understanding.

我还是孩子时，老师们以为我成绩斐然、深受欢迎、心智成熟。

So I was that kid that teachers thought was the overachiever, the popular person, the one that had it together.

能否理智地驾驭自己的情感还是区分强者与弱者的方法之一，也是一个人是否走向心智成熟的重要标志。

Can reasonably control own feelings or to distinguish between strong and weak one way, but also whether a person moves toward mature important sign.