After working for a day, people will choose to rest. Why? Who wants to work after work! I feel tired and want to take a break! This is true especially for people who are not getting enough sleep! For people living in the cities, there are too many things to do! Our schedule is tight. Do you leave yourself some space to rest and learn new stuff then? But why have to learn new stuff? What is the importance of learning? Why do human beings have to learn?