Why did Islam not promote the concept of miracles?

Swāmi Replied:- Jesus showed several miracles to give proof for the existence of unimaginable God appearing as Father of heaven in the first energetic medium. But, these miracles raised ego and jealousy in the hearts of priests, who were honoured by public in par with God. Politics is universal and does not leave even the spiritual field. The priests did not realise that Jesus was helping their spiritual line only because the basis for any spiritual path is the acceptance of existence of unimaginable God mediated in energetic or human medium. In fact, Jesus was God in human medium and He indicated this point also by saying that He is the light and the true path to God. As the preaching of spiritual knowledge of Jesus rose to climax, the ego based jealousy of priests also rose to climax and the result was crucifixion of Jesus to leave the body at 32 years of age. Had He continued His life fully, so many concepts might have been clarified with far better explanations. Prophet Mohammad analysed all this and found that the concept of contemporary human incarnation performing miracles for confirmation is the root cause of such an unimaginable sin like crucifixion. Hence, He tried to eliminate both these concepts of incarnation and miracles because He felt that no human being can conquer ego and jealousy towards a co-human form.