introduction: an old saying says: "i am determined to learn at 150, and i am determined to learn at 30, and i am not confused at 40, and i am not confused at 50, and i am aware of the destiny at 60, and i am obedient at 70, and i am following the heart at 70. ddd。” on this one-way road of life, we will have different feelings in every ten years. ten years can change a person or achieve a different life. record people's thoughts from the years of learning to the years of their hearts, let us listen to other people's stories together, find our own direction, and find answers to life.