A Few of Allah's Attributes of Perfection
Having urged the people to be concerned about the Hereafter and having asserted the greatness of the Qur'an, this Surah is concluded with a few of Allah's attributes of perfection, as follows:
الِمُ الْغَيْبِ وَالشَّهَادَةِ (...the Knower of the unseen and the seen - 22). The attribute 'the Knower of the Unseen and the seen' means that Allah knows all things, visible or invisible.