of source is not so absolute as that of the Qur'an.
A hadith from al-Kafi is as trustworthy as it may be in conformity with the Qur'an, and reliable so far as its words comply with the teachings of the Qur'an and do not go against it. The Prophet (S) and the infallible Imams have said that their traditions should be checked in the light of the Qur'an; if they do not coincide with the words of the Qur'an, they should be regarded as false and fake, and as being wrongfully attributed to them; since they have not said anything that can go against the Qur'anic teachings.
Approaches to the Understanding of the Qur'an
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Now that the necessity of understanding the Qur'an has been confirmed, let us see what are the ways of understanding this book. Generally for the purpose of a profound understanding of any book it is necessary to study it in three ways:
1. Authentication
At this stage, we want to know to what extent the relationship of a book with its author is authentic. Suppose we want to study the Diwan-Hafiz, or the Ruba'iyyat of 'Umar Khayyam. At first, we have to see whether the work which is attributed to Hafiz, wholly belongs to him, or whether a part of it is Hafiz's work and the rest is an apocryphal annexation to it. Similarly in the case of 'Umar Khayyam, and others too, we must judiciously scrutinize their works.
It is here that the matter of examination of manuscripts --and for that matter the oldest
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