1. Muhammad ibn Yahya narrated from Ahmad ibn Muhammad from Muhammad ibn Ismail from his uncle Hamza ibn Bazi' from Ali al-Sa'i from Abu al-Hasan al-Awwal, Musa Ibn Ja'far (as), who said: "The extent of our knowledge is based on three categories: past, present, and future. As for the past, it is explained; as for the present, it is recorded; and as for the future, it is a whisper in the hearts and a knocking in the ears, and this is the best of our knowledge. There is no prophet after our prophet."

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

2. Muhammad ibn Yahya has narrated Ahmad ibn abu Zahir from Ali ibn Musa from Safwan ibn Yahya from al-Harith ibn al-Mughirah who has said that he asked abu ‘Abdallah (a.s.) the following. “Tell me about the knowledge of your scholar.” He said, “It is inherited from the Messenger of Allah and from Ali (a.s.).” The narrator has said that he asked him, “We narrate that it is thrown into your hearts and is dotted in your ears.” He then said, “Is that so?”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

3. Ali ibn Ibrahim has narrated from his father from the person who narrated (it) to him from al-Mufaddal ibn ‘Umar who has said that he said to abu al-Hassan (a.s.) the following. “We narrate from abu ‘Abdallah (a.s.) that he has said, ‘Our knowledge consists (of the knowledge of the things) of past, of the written nature, that which is dotted in the hearts and that which is struck against the ears. He then said, “As for that about the matters of the past is that which is passed our knowledge. That which is written is the kind that will come in future. That which is dotted into the hearts is the inspired kind and that which is struck against the ears is the order of the angel.”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.