爱过伤过泪也流过才明白笑过哭过人也疯过才懂得
[ài guò shāng guò lèi yĕ liú guò cái míng bái xiào guò kū guò rén yĕ fēng guò cái dŏng dé]
This phrase means someone realizes and understands more about life after experiencing all sorts of feelings and situations, like love, hurt, laughter, crying, madness, etc.