How to surf the Internet safely 80 words English composition

80-word English composition on how to surf the Internet safely:

The computer is one kind of tool, is uses to us, but not plays; The academic society uses the human is a smart person, will only play the human will be the stupid person, you may access the net, to look that the news, the understanding current event, will simultaneously raise itself to study using the network, but plays the game purely, is obtained the more network knowledge oneself. Although the network is a messenger, is also the good teacher and helpful friend who studies, but excessively many surfers can cause the vision to drop, the academic record drops; Serious also has the possibility to create is with one's family broken up and decimated!