Practicing sentences Philosophy, especially philosophy of life, serves for pleasure, for wisdom, and for deep cognition about ourselves. Its chief use for is pleasure, is in creation and appreciation; for wisdom, is in communication; for deep cognition, is in exploration. For those who hardly read philosophical books about life maybe become successful, and attain high social status; but aesthetic life, optimism attitudes, and the charity for all exit in the world come best for those that are read. Pursuit of freedom and happiness never outdated by the enormous changes of all the times. It is not senseless thing for alive people, and they are, rather, the most precious need in the world.