It means that young people are not old as long as they are ambitious and have unlimited achievements. This also means that as long as you are ambitious and old, you can make a difference.

tidy

Xu Ming Lin Zhong's "Romance of the Gods" is the 23rd time: "The woodcutter clapped his hands and laughed, nodded and sighed at Ziya, and said,' If you are ambitious, you will never grow old. " "