Take your responsibilities seriously as Muslims ; Strive to do your best in fulfilling them ; Be an example for other Muslims .

This hadith is about the importance of being a Muslim and the responsibility that comes with it. It was transmitted on the authority of Jarir and Abu Mu'awiya. In this hadith, there is an addition to what was said by Jarir which is "Yes, by Him in Whose Hand is my life, there is no Muslim upon the earth". This statement emphasizes how important it is to be a Muslim as there are Muslims all over the world who have responsibilities towards their faith. It also implies that one should strive to be an example for other Muslims in order to uphold their faith. Furthermore, this hadith teaches us that we should take our responsibilities seriously as Muslims and strive to do our best in fulfilling them.