The Practice Guide of Computer is really a gem, and the bottom lines sentences are just golden (now I understand what they meant when people mentioned bottom lines) of part D: Rid yourself of the following reasons of being a practioner of computer.

To add a cliche, according to Mark Twain, "Find a job you enjoy doing, and you will never have to work a day in your life". Or may I add, you probably not going to retire anytime soon.