Another Counsellor - The Greek word here is paraklēto (παράκλητον) which can be translated as, ‘counsellor', ‘comforter', ‘helper' or ‘advocate'. Among those who claim this is fulfilled in Muhammad, some claim that Muhammad was the "comforter." Others make the more wild claim that the original word here was periklutos, which means ‘one worthy of praise,' the Arabic of which could be rendered ‘Ahmad' (a name Muhammad adopted). Among the thousands of Greek manuscripts which predate Muhammad, not one contains this spelling. Furthermore, this would render the verse, "..he will give you another (ἄλλος) Ahmad to be with you forever." Another Ahmad? Who was the first Ahmad? By contrast, ‘another counsellor' is a good description of how the Holy Spirit guides and convicts believers since Jesus' ascension.

Forever – It would be hard to interpret Muhammad as being with the disciples forever, though this certainly fits the Holy Spirit's role.

A Spirit of Truth – Once again, it would be hard to render Muhammad as a ‘Spirit,' while the Holy Spirit is by definition a Spirit.

Unseen by the world—Muhammad was quite visible, but the Holy Spirit is certainly invisible, which is why the world does not accept it.

Unaccepted by the world, known to the disciples – Jesus' twelve disciples never saw Muhammad, but in just a few weeks after Jesus' prediction they dramatically received the Holy Spirit as recorded in Acts 2 and witnessed by thousands of people.

Dwell with you and be in you—by no stretch of the imagination could Muhammad be considered to dwell within each believer, which is exactly the Injīl's teaching on the Holy Spirit.

The Holy Spirit—Someone could conceivably argue that Muhammad was "the Holy Spirit", but this would contradict the teachings of the Qur'ān.

Sent by Jesus—It is hard to describe Muhammad as sent by Jesus, but this fits exactly what Jesus said about the Holy Spirit.

Those who insist on reading Muhammad into these verses protest that the Holy Spirit could not fit this prophesy, because: