Specifically, "being broad-minded as the sea can prolong life" means that if a person can keep a broad mind and be open-minded, it will help to prolong life by reducing the harm and diseases caused by negative emotions such as emotional stress and anxiety. And "mountains can prolong life" means that if a person has noble moral quality, positive attitude towards life and life attitude, he can maintain physical and mental health, reduce the occurrence of diseases, and at the same time get the respect and support of people around him, thus achieving a healthier and longer life.