18لَقَد رَأىٰ مِن آياتِ رَبِّهِ الكُبرىٰAli UnalIndeed, he saw one among the greatest signs of His Lord.1It is not certain what this greatest sign was. God had His Messenger, upon him be peace and blessings, travel in the highest dimensions of creation during the Ascension so that he could see some of His signs (17: 1). It is understood that these signs are of the kind that they can only be perceived through seeing, and the greatest of creation, upon him be peace and blessings, was favored with their sight. Human language is simply inadequate to express these signs in such a way that we would be able to visualize them exactly.