The days of youth are easy to pass away, and learning is difficult to succeed, so cherish every inch of time and don't let it go easily. This is the experience that Zhu told young people with his personal experience.

Explain that life is never too old to learn, and we must cherish time. Because it is easy to get old, it is not light, which shows the importance of cherishing time.

These two earnest words advise us to cherish the beautiful years, study hard and never let precious time slip away in vain.