Any man wants to live his own life. "Living" means to live day by day. "Whole life" means to live a whole life. Furthermore, religious people use the words "eternal life." An eternal life means not a whole life but living an eternal life. To live an eternal life is your lifelong responsibility. The eternal life can be determined by connecting your life day by day. One year contains 365 days. You divide one year into 12 months and you divide one month into 30 days. Thus, your life is a continuation of day by day. Our life is to live a life day by day, dividing our whole life. The valuable content of your whole life isn't determined after you have gone through your life. Your daily life, day by day, determines it. Therefore, you have to live life well. What is the meaning of living life well? It means that you should live a representative daily life meaningfully. I think it is right to conclude like this: "I lived life well today! It is a memorable, proud day in my whole life!" If you live your life well, you can have a most valuable daily life throughout the life course. If you have a day when you could live valuably, you cannot forget that day in your whole life. (197:187)