Punctuality is a good habit. It means that people do things at the arranged time. You will win others trust. No punctuality is a bad habit. It is not serious if you are several minutes late, but it may cause a bad result. When you are not punctual for many times, you will become lazier and lazier, even fail in the life.

　　We should try to be punctual forever.

　　Punctuality is a good habit. It means to do things at the fixed time. When others are late and you have waited for a long time,you must be angry. And then you should try to be punctual. So you will win others trust. At the same time if you are always not punctual, you will become lazier and lazier, even fail in the life.

　　No punctuality is a bad habit. We should get rid of it. We should try to be punctual forever.