Some of it is undoubtedly transmitted nearly perfectly...
Some of it is undoubtedly transmitted nearly perfectly, while other parts are clearly defective. Finally, the Bible as we have it in the best sources is written in Hebrew with some Aramaic portions, and Greek. The Qur’an is consistently written in Arabic. All of these matters have to be taken into account in using the Bible. There are two traditional ways by which Muslims use the Bible.
The first is to point to textual criticism, the research done by Christian and liberal Jewish scholars showing the Bible to be defective. The conclusion is that the Bible is unreliable, and therefore Christianity is unreliable. This approach is sometimes effective in drawing some people to Islam. However, it has two weaknesses.
Textual criticism itself as a method is questionable, and to appeal to it in the case of the Bible is to invite a similar approach on the part of Christians in reference to the holy Qur’an. The result is often name-calling rather than progress in finding truth. The second traditional way by which Muslims make use of the Bible is to select passages that seem to support Islam, specifically in the matter of the oneness of Allah and the prophethood of Muhammad (as).
It appears that a great deal could be done in this area that has not yet been done. Somewhat inconsistently, some people use both approaches at the same time. Considering the unevenness of the Bible, Christians can and do draw from it support for their own positions. Most such support is based on clearly biased translations, and these are almost never published in parallel with the original.
Every text that can be construed ambiguously is turned in translation towards the support of the Trinity, the atoning death of Jesus (as), and the authority of the Church. This makes it difficult for the Muslim to gain the expertise necessary to meet Christian arguments. Such texts have to be painstakingly evaluated in the original. The facile answer that Muslims can give is that what appears to disagree with Islam is clearly a corruption of the text. For the most part, this will be true.
In dialogue with non-Muslims, the Muslim must protect him or herself by maintaining that the Biblical text contains the truth, but is not itself the truth. However, as more and more research is done, we find that more and more of the Bible in fact supports Islam, and less and less is actually dubious. Some Biblical sources for Islamic beliefs and practices have already been given in Chapter One.