The scholars of meaning divided speech in terms of its meanings into two types. Meaning that comes in terms of truth, which is the use of words in what they were placed for in the origin of their linguistic status; And meaning that comes by the way of metaphor, which is the use of words in a way other than what they were placed for as a metaphor, provided that there is a direct presumption from the real meaning that becomes figurative, even if the words do not acquire a new character, according to which they are transformed into real meanings. Accordingly, they intended the linguistic and mental metaphor; where allegory is a part of metaphor. In the language of the Arabs, metaphor is often employed in the language of poetry and artistic prose that requires figurative images, because these contexts depend on the element of imagination and the method of imagination. In studying the language and style of Qur'an in Surat Juz' (qad sami'), it was found that the Quranic expression and style breaching the rules of employing the allegorical images in the contexts of poetry and artistic prose; and this is found in the Arabs' style. We found that Qur'anic expression or style employ allegory in the contexts of that concerned the legalization of Islamic rulings, as well as the contexts of social and psychological matters, which can be entitled as Qur'anic psychology.