People need to survive and take care of themselves. Eating and shelter are the most important needs for survival. When we look at antiquities even barbarian peoples find something to feed themselves or build caves to live. Today people should earn money to eat and live. Especially in our century, conditions are really difficult and push people to work hard to earn money to live up to high standards. It's not easy because there are too many people looking for work and this leads to a system of exams to select those who deserve more than others. Unfortunately, the exam system starts when we are young, even when we are in primary school. Children must study not only for school