智者教给我们的8句生活箴言

Maturity is more about education and life experience than it is about age. I know plenty of mature 30-somethings and immature 50-somethings.
成熟和年龄无关，更多的是教育和生活经历，我就知道很多30岁的很成熟，而50多岁不成熟的人。