译文：成家立业后才知道柴米的贵重，自己抚养孩子时才知道报答父母的恩情。赏析：世事的艰难，只有当我们亲身经历后才会懂得，生活的不易，只有当我们尝遍酸甜苦辣咸才会明白。

The best way to measure how much you've grown isn't by inches or the number of laps you can now run around the track, or even your grade point average - though those things are important, to be sure.It's what you've done with your time, how you've chosen to spend your days, and whom you've touched this year. That, to me, is the greatest measure of success.

认知过程是符号结构的规则支配的转换。

结交朋友应该找超过自己的人，和自己差不多或不如自己的人不如不交。