The Differences in the Miracles of the Prophets
Imam Reza (A.S.) has said: "Wisdom is man's friend, and ignorance is his enemy." (Reference: Al-Kafi, vol. 1, p. 10)
Ibn Sekkit, a great literary scholar of his era, once asked Imam Reza (A.S.):
"Why did Allah appoint different miracles to each prophet? He sent Musa/Moses with miracles of the cane and the halo hand, Isa/Jesus with the power to heal, and Muhammad (S.A.W.) with the miracle of eloquence?"
Imam Reza (A.S.) replied: "When Allah appointed Musa as a prophet, it was in an era when magic and supernatural acts were more common among people than science. Musa therefore, brought an act that people had never seen before and could not understand it through their rational. With this miracle, he was able to refute the works of the magicians and give them clear proof.
At the time of Isa, on the other hand, diseases without cure had spread throughout. Science and medication was highly in demand. Isa therefore came to them with the miracle of healing all diseases, a power not known to them, for he could give life to the dead, and heal genetic blindness and leprosy. And through his miracles, he fulfilled his proof upon the people of his time.
However, Muhammad (S.A.W.) was appointed at a time when poetry and eloquence in language was very popular among the communities. With the revelation of the Holy Quran and its teachings, Allah refuted their reasoning."(1)
1- Selection taken from "Analysis of the life of Imam Reza (PBUH)" by Muhammad Jawad Fadlullah