More and more people pay great attention to relationship in career success. Being polite is first and most important step to develop good relationship among friends. Polite words can be easy yet very powerful in your (day) life.
Always saving "please" and "thank you" will make your friends more (comfort) and more willing to offer help when necessary. We all know that one man's success is based on how he deals people. Always be thankful to other people's (kind) and show your thanks through the words you speak. The more support you win from other people, the (fast) you will move towards your goal.
Although some people may (easy) forget the importance of being polite, we students should form good habits and behave in good manners. First, learn to be friendly to your parents and (relative) at home. Then at school, listen respectfully when your teachers instruct you. Follow and accept their advice to improve (your). You will make further progress if you express your thanks in time.
Remember being polite costs nothing it's worth millions of dollars.