الكافي- ط الاسلامية, volume 1, page 43

7. Al-Husayn ibn Muhammad has narrated from Mu‘alla ibn Muhammad from Ali ibn Asbat from Ja’far ibn Sama‘a from several persons, from aban, from Zurara ibn A‘yan who has said the following. “I asked Imam abu Ja‘far (a.s.) this, ‘What are the rights of Allah on people?’” The Imam (a.s.) replied, “They must say what they know and abstain from saying anything that they have no knowledge of.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Yunus (ibn ’Abd al-Rahman) from abu Ya’qub Ishaq ibn ‘Abdallah from abu ‘Abdallah (a.s.) who has said the following. “Allah has addressed His servants in two verses of the holy Quran very particularly: Did they not make a covenant (with God) in the Book not to speak any thing other than the Truth about God and to study its contents well? They call a lie something that is beyond the limit of their knowledge and whose interpretation has not yet been revealed . .” (10:39)

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

9. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa from Yunus from Dawad ibn Farqad from someone he narrated tht Ibn Shubruma said, "I have never mentioned a hadith that I heard from Ja'far ibn Muhammad (as) except that my heart almost trembles." He said, “My father narrated from my grandfather that Rasulullah (sw) said, ‘Those who act on the basis of analogy (qiyas), will face their destruction and lead others to their destruction. Those who give fatwas (religious verdicts) without knowledge, is unaware of abrogating and the abrogated, the clear text and that which requires interpretation, they will face destruction and lead others to their destruction.'"

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

1. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from his father from Muhammad ibn Sinan from Talha ibn Zayd who has said the following. “(Imam) abu ‘Abdallah (a.s.) has said, ‘Working without understanding and insight is like travelling in the wrong direction that only takes one farther away from the destination.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.