“the importance of being prompt”

If your not prompt then your not responsible. Being prompt is very important.being prompt is like being on time. Being on time is very important too. Being prompt in your early years of adolescence will help you later on in life.you could be prompt during an interview,party,school classes, ect… One reason as to why being on time is important is because showing up late is rude and it messes up other people's schedules. Showing up on time shows that you are not only responsible but professional as well. Showing up late makes you come off as flaky and people will think that you do not care about your career. Even though showing up on time to an appointment shows responsibility and professionalism, showing up a few minutes early is even better. When you show up about 10 minutes early it not only shows that you are responsible but that you are a hard worker and trustworthy too.  It shows that you respect the people that you're meeting, and that you care as much about their time as your own. In other words, it demonstrates that your not a selfish little jerk who thinks she is more important than everyone else, and that everyone else ought to wait around for her.
It shows that you are diligent and dependable, and that you do what you've agreed to.
It shows that you aren't completely self-absorbed.
It prevents you from interrupting others when they are talking or working, by your late arrival.