Al Quran : O you who believe! Take not the Jews and the Christians as Auliya (friends, protectors, helpers),

Al Quran : O you who believe! Take not the Jews and the Christians as Auliya (friends, protectors, helpers), they are but Auliya of each other. And if any amongst you takes them (as Auliya), then surely he is one of them. Verily, ALLAH guides not those people who are the Zalimun.

Al Quran, Al-Maeda (5), 51

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Al Quran : Verily, your Wali (Friends) is none other than Allah, His Messenger, and the believers, - those who perform As-Salat (Iqamat-as-Salat), and give Zakat, and they are those who bow down (to Allah in prayer).

And whosoever takes Allah, His Messenger, and those who have believed, as Protectors, then the party of Allah will be the victorious.

O you who believe! Take not as Auliya (Friends, protectors and helpers) those who take your religion as a mockery and fun from among those who received the Scripture (Jews and Christians) before you, and nor from among the disbelievers; and fear Allah if you indeed are true believers.

Al Quran , Surah Al maeda (5) , 55-57

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AL Quran : O you who believe! Take not for Auliya (protectors or friends) disbelievers instead of believers. 

Do you wish to offer ALLAH a manifest proof against yourselves?

Al Quran, An-Nisa, (4) , Verse 144

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Al Quran: O you who believe! Take not My enemies and your enemies (i.e. Disbelievers and polytheists) as friends, showing affection towards them, while they have disbelieved in what has come to you of the truth

Al Quran, Surah Al-Mumtahana (60), Verse #1

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AL Quran : Let not the believers take the disbelievers as Auliya (friend , protector) instead of the believers, and whoever does that will never be helped by Allah in any way, except if you indeed fear a danger from them. And Allah warns you against Himself (His punishment) , and to Allah is the final return.

AL Quran , Surah Aal-e-imran (3) , 28