In the passage found in the book of John, chapter 4, verses 46-54, the nobleman's son at Capernaum is healed by Jesus. The nobleman heard that Jesus had come to Galilee, so he went to him and asked for his son to be healed. Jesus told him that his son would live, and the nobleman believed him. When the nobleman arrived home, he found that his son had indeed been healed at the exact moment Jesus had said he would be.

This passage is important because it demonstrates Jesus' power to heal, even from a distance, and shows the importance of having faith in his abilities. The nobleman's faith in Jesus' words resulted in the miraculous healing of his son. This story encourages readers to trust in Jesus' promises and have faith that he can work miracles in their lives as well.

This passage is not found in other parts of the gospels, making it a unique account of one of Jesus' healing miracles. The similarities between this passage and others where Jesus heals individuals demonstrate his compassion and willingness to help those in need. The differences lie in the circumstances surrounding the healing and the individuals involved, showcasing the variety of ways in which Jesus' healing power was displayed.