Jesus said,"When the comforter has come-the spirit of truth,he will teach you all things.

And thus the trustworthy spirit has Brought the Qu'ran down upon your heart O Muhammed,as a Detailed Explanation of all things,and indeed it is mentioned in the former scripture.

61:6 Qu'ran

[Remember]When Jesus,the son of Mary,said O children of Israel,indeed I am the messager of God to you confirming what is in my hands of the Torah and bringing good news of the messenger whom will come after me.

John 14:16 Gospel

[For]I will pray to the Creator,and He will give you another Comforter,that he may abide with you forever.