question #1 Sahih Muslim 1159g, Book 13, Hadith 241 : What is the significance of having trustworthy and reliable narrators in the transmission of hadiths?

This hadith has been narrated by Ibn Juraij with the same chain of transmitters. Imam Muslim has narrated this hadith on the authority of Abu ‘Abbas al-Sa’ib b. Farrukh and he was a trustworthy and reliable (narrator) among the people of Mecca.