There aer some reasons why perseverance often leads to succeed. First of all, a man who has perseverance does not give up after a failure.He tries again and can ,therefore,leran from the mistakes.Second,a persistent person is usually hard worker,and hard work is an important ingredient in success;Last,with perseverance comes a certain amount of confidence--the confident that one will eventually succeed.

For all of the these reasons,I believe the perseveranceis that most important characteristic to have.It is easy to combined with other traits such as diligence and confidence to incraese the chance of success.Without perseverance,one's success may be more depent on  luck than anything else.