The following are some classic sentences in youth literature: Youth was like a clear spring that could dry up at any time. Youth is a wonderful song that reverberates with a cheerful melody that makes people involuntarily hum. Youth is a gorgeous business card, on which our dreams and hopes are printed, making people yearn for it. Youth is a treasure, containing endless potential and opportunities for people to constantly pursue. Youth is a beautiful scenery that makes people feel the splendor and infinite possibilities of life. Youth is a moving poem that sings about the beauty and meaning of life and makes people fight for it. Youth is a cup of mellow wine mixed with endless emotions and experiences, leaving people with endless aftertastes. Youth is an eternal time that records the course and growth of life and is cherished forever.