年少轻狂懂胜者为王
[nián shăo qīng kuáng dŏng shèng zhĕ wéi wáng]
Translates to 'In youth and arrogance, understand that the winner is king.' It suggests that the young, full of vigor, should know that winning ultimately means reigning, embodying the fighting spirit of a youthful person who knows success matters the most.