1. If the vigor of youth and the curiosity of progress disappear, life will be meaningless. -mill

2. People's youth is short-lived, but if we spend this short-lived youth meanly, it will seem too much. -Shakespeare

3. He who can maintain eternal youth is a great man. -Guo Moruo

4. Youth is a short-lived dream. When you wake up, it has already vanished without a trace. -Shakespeare

5. The most beautiful decoration of youth should be courage. -Dre Mark

6. Nothing in the world is better than youth, and nothing is more precious than youth! Spring is like gold, you can make whatever you want. -Gorky

7. Youth is not a period of life, but a state of mind. -Seneca