Youth is not a period of life, nor is it red lips or flexible joints, but a firm will, rich imagination, and full emotions. At the same time, it is also a touch of coolness in the sweet spring of human life. The connotation of youth is the courage to overcome timidity and the spirit of daring to take risks, rather than being indolent. Many 60-year-old people are more motivated than those in their 20s. They do not age even though they age. The cause of aging is the loss of the pursuit of ideals. Time wrinkles the skin, but aging wrinkles the soul. Worry, fear and even self-doubt can destroy one's spirit and damage one's vitality. There is a radio station in everyone's heart. As long as we can regularly receive messages of beauty, hope, joy, courage and strength from others and the Creator, we will have youth. Once the antenna collapses, our spirits are hit by the frost of cynicism and pessimism, and even a 20-year-old can feel old. As long as the tall tree antenna continues to receive positive radio waves, even if you are 80 years old, you will not feel old