5-67
O messenger! convey (the message) which is sent down to you from your Fosterer, and if you do not do it, then you have not conveyed His message. And Allah will protect you from mankind, Allah certainly does not guide a people who are infidels.
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Prophet Muhammed (PBH) is ordered to convey the message i.e. the Quran with the assurance that he will be protected.
5-68
Say, “”O owners of the book! you are on nothing till you establish the Torah and the Injeel and that which is sent down to you from your Fosterer.”” And that which is sent down to you from your Fosterer will definitely increase rebellion and infidelity in many of them, therefore, do not grieve over a people who are infidels.
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If Jews and Christians establish the original Torah and Injeel, they will have to accept Muhammed (PBH) as the messenger of Allah (SWT) because this is mentioned in their books 7:157, 61:6.
5-69
Those who believe and those who are Jews and the Sabaens and the Christians, whoever believes in Allah and the period hereafter and does righteous work, then certainly, there will neither be any fear on them nor will they grieve.
Whatever be the earlier creed, one who believes in Allah (SWT) and life after death and does righteous work i.e. acts in accordance with the instructions contained in the Quran, then he is successful.
5-70
We had indeed taken a pledge from the children of Israel and We had sent messengers to them. Whenever there came to them a messenger with that which their souls did not desire, some (of the messengers) they denied while others they killed.
Bani Israel rejected the messengers of Allah (SWT) repeatedly because their message was against their desire.
5-72
They have indeed not believed who say, “”Allah is certainly the Messiah, the son of Maryam.”” Whereas the Messiah had said, “”O children of Israel! serve Allah, my Fosterer and your Fosterer, whoever associates partners with Allah, then Allah has forbidden to him the garden and his settling place will be the fire, and there will be no helpers for the unjust.””
Isa (PBH) had invited Bani Israel to serve Allah (SWT) the only God and was against associating partners with Him. Isa (PBH) was a messenger of Allah (SWT) and not Allah (SWT) or His son, he and his mother were human beings and they ate food like other human beings.
5-76
Say, “”Do you serve, besides Allah, something which has no power to harm or benefit you, while Allah is Hearing, Knowing?””
No one other than Allah (SWT) can harm or benefit. The Owners of the book are ordered not to commit excessive wrongs in their religion and not to follow the desires of those who were wrong.
5-78
Those who did not believe from among the children of Israel were cursed by the tongue of Dawood and Isa, the son of Maryam. That was because they disobeyed and they exceeded the limits.
The reason for Bani Israel being cursed by Dawood and Isa (PBT) and their punishment by Allah (SWT) are given.