The Imams know all the knowledge that has come to the angels, the prophets and the Messenger

"Indeed, Allah, Blessed and Exalted, has two kinds of knowledge: One kind He has made apparent to His angels, His prophets, and His messengers. Whatever He has made apparent to His angels, His prophets, and His…

“Allah, the Most Holy, the Most High, has two kinds of knowledge. One kind is His only and no creature knows about it. The other kind is that which He has thrown unto His angels and His Messenger. Whatever is thrown to…

he heard abu Ja‘far (a.s.) say the following. “Allah, the Most Holy, the Most High, has two kinds of knowledge. One kind is that which is granted and the kind is that which I withheld. Of the one which, is granted,…

“Allah, the Most Holy, the Most High, has two kinds of knowledge. One kind of knowledge is that which no one knows except He. The other kind is that which He has taught to the His angels and His messengers. Whatever His…