The issue of miracles has always been a controversial one, both in theology, philosophy, and science. Most of the philosophers’ and scientists’ objections against miracles are founded on their claim of miracles being contrary to nature or breaking the laws of nature and the principle of causality. In this paper, I will briefly mention these objections and quote responses and explanations from both the Christian and Shi‘a perspectives, and I will finally conclude that miracles are not against the principle of causality.