5 - "You are more knowledgeable about the ḥadīth and the transmitters than I am. So if there is an authentic ḥadīth, inform me of it, whether it is from Kūfah, Baṣrah, or Shām, so that I may adopt it if it is authentic." (al-Khaṭīb in "al-Iḥtijāj bi-al-Shāfiʿī" 8/1) 6 - "Every issue for which there is an authentic report from the Messenger of Allāh (ṣallá Allāhu ʿalayhi wa-sallam) according to the people of transmission