The Women - 4:60
Do you not see those who claim to believe in you and in what has been sent down to you and in what has been sent down before you, but they want to follow the laws of the unjust and despotic, while they were commanded to disbelieve in it, but Satan wants to lead them astray.
Related:
The Cow/2:75
Do you hope that they will believe in you, whereas some of them, after hearing the word of Allah, would deliberately change it.
The Cow/2:76
"When they meet the believers, they say: "We believe"; but when they are alone with them, they say: "Do you tell them what Allah has revealed to you so that they may use it as evidence against you in the sight of your Lord?"
The Family Of Imran/3:119
"You are the ones who love them even though they do not love you! Moreover, you believe in all the Scriptures. When they meet you, they say: "We believe", but when they are alone, they bite their fingers out of anger against you. Say: "May you die in your anger."Surely Allah is Knower of the essence of the breasts."
The Cow/2:8
"There are such among the people who say: "We believe in Allah and the Last Day"when in fact they do not believe."
The Cow/2:9
They seek to deceive Allah and the believers. However, they deceive themselves. They do not even realize it.