That Deuteronomy 31:24-29 is no proof of errors in the bible. though there are.
The Old Testament describes how Prophet Moses (pbuh) believed his people would corrupt the stipulations in the Old Testament after he had gone, and felt the need to protect the book:
After Moses finished writing in a book the words of this law from beginning to end, he gave this command to the Levites who carried the ark of the covenant of the Lord: “Take this Book of the Law and place it beside the ark of the covenant of the Lord your God. There it will remain as a witness against you. For I know how rebellious and stiff-necked you are. If you have been rebellious against the Lord while I am still alive and with you, how much more will you rebel after I die! Assemble before me all the elders of your tribes and all your officials, so that I can speak these words in their hearing and call heaven and Earth to testify against them. For I know that after my death you are sure to become utterly corrupt and to turn from the way I have commanded you. In days to come, disaster will fall upon you because you will do evil in the sight of the Lord and provoke him to anger by what your hands have made. (Deuteronomy, 31:24-29)
It needs to be made immediately clear that the people in question, who rejected the true faith preached by Prophet Moses (pbuh) and thus chose the path of degeneration, were dishonest and self-interested individuals. However, in addition to these people, no doubt there also lived a great many devout Jews, rabbis and men of religion in Judaism, who genuinely believed in Allah and sought to serve our Lord.
Allah reveals the existence of these sincere, virtuous Jews as follows in the Qur’an:
Among the people of the Book there are some who believe in Allah and in what has been sent down to you and what was sent down to them, and who are humble before Allah. They do not sell Allah’s signs for a paltry price. Such people will have their reward with their Lord. And Allah is swift at reckoning. (Surah Al ‘Imran, 199)
In these corrupted sections of the Old Testament, the interference and influence of satan can be felt. When these are removed, what remain are those parts left undistorted by satan. This means that once these corrupted sections have been carefully eliminated, the authentic Old Testament can be obtained. (Allah best knows the truth.)
These remaining sections bring healing to the heart, and bestow light and well-being on the soul. As revealed in verse 44 of Surat al-Ma’ida, these are the parts that constitute “guidance and light.” The passages in the Old Testament you are reading are those compatible with the verses of the Qur’an and the Sunnah of our Prophet (may Allah bless him and grant him peace), and represent the very wisest advice.
The Absence of Belief in the Hereafter in the Old Testament Indicates that the Text is Distorted
Belief in the Hereafter is an essential article of faith. There can be no faith without belief in the Hereafter. Without an Earthly environment of testing, the good and the bad all merge into one. This, in turn, is a denial of our Lord’s purpose in creating the world as transient and with imperfections, and of His infinite justice.
Divine justice—when the good are separated from the evil and everyone receives his or her just deserts—will take place in the Hereafter. The life of this world is a transitory place of testing. Nobody will be accompanied by the things of this world. Allah will manifest His justice in the Hereafter, and nobody will “be wronged by even the smallest speck” (Surat al-‘Isra, 71).
This is a provision of Allah’s justice. It is incompatible with the divine nature of Allah for anyone to engage in all kinds of immorality in this world and then not be duly rewarded in the Hereafter when the life of this world comes to an end. The faithful have an absolute belief in the Hereafter and until the final moments of their lives in this world strive in hope and fear to win Allah’s approval and protection from His chastisement.
Allah refers to believers’ faith in the Hereafter in the Qur’an:
. . . those who believe in the Unseen and establish prayer and spend from what We have provided for them; those who believe in what has been sent down to you and what was sent down before you, and are certain about the Hereafter. They are the people guided by their Lord. They are the ones who have success. (Surat al-Baqara, 3-5)
In the Qur’an, Allah also states that honest Jews also believe in the Hereafter:
They are not all the same. There is a community among the People of the Book who are upright. They recite Allah’s signs throughout the night, and they prostrate. They believe in Allah and the Last Day, and enjoin the right and forbid the wrong, and compete in doing good. They are among the righteous. You will not be denied the reward for any good thing you do. Allah knows those who fear [and respect] Allah.” (Surah Al ‘Imran, 113-115)
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