The Cow - 2:120
"Neither the Jews nor the Christians will be pleased with you unless you enter into their religion. Say: "The right way is the way of Allah."If you follow their desires after the knowledge that has come to you, you will find neither a friend nor a supporter to defend you against Allah."
Related:
The Cow/2:135
"They said: "Become Jews or Christians so that you may be guided". Say: "No, we follow the monotheistic religion of Abraham. He was not of those who associate partners."
The Cow/2:135
"They said: "Become Jews or Christians so that you may be guided". Say: "No, we follow the monotheistic religion of Abraham. He was not of those who associate partners."
The Cow/2:140
"Do you claim that Abraham, Ishmael, Isaac, Jacob and their descendants were Jews or Christians? Say: "Do you know better or Allah? Who is more unjust than he who conceals what Allah has revealed? Allah is not heedless of what you do."
The Cow/2:145
Even if you bring to those who have been given the Book all kinds of signs (miracles), they will still not turn towards your Qiblah. Nor will you follow their qibla. Nor do they follow each other´s qibla. If you follow their pleasure after this knowledge has come to you, you will be of the wrongdoers.
The Family Of Imran/3:73
"Believe in none but he who follows your religion."Say to them, "The Guidance is Allah´s Guidance."And if they say to you, "Do not believe that another has been given the like of what has been given to you, lest they gain the right to dispute with you about your Lord,"say to them, "The bounty is in the hand of Allah, He gives it to whom He wills."Allah is Generous, All-Knowing."