Question

what line (s) suggest how one can be effective performing ones role

Answer 1

Answer:

if you have a a will power and also determination than you will defiantly succeed in your life

Answer 2

Dedication and Honesty are the two main ingredients for effectively  performing ones role.

Explanation:

In order to effectively perform one's role, only two attributes are needed : 1.  Dedication and 2. Honesty.  

With dedication, a person can achieve the unbelievable and can create miracles. With dedication, better understanding and interest develops and even ease of work can be achieved. Secondly, with honesty, satisfaction takes birth with is required to have peaceful mind and life. An honest person is never behind. Hence, with both the qualities, any role can be performed efficiently and effectively.