Hypocrisy is mentioned in the Quran in these verses:
[9:77] Consequently, He plagued them with hypocrisy in their hearts, till the day they meet Him. This is because they broke their promises to God, and because of their lying.
[9:97] The Arabs are the worst in disbelief and hypocrisy, and the most likely to ignore the laws that God has revealed to His messenger. God is Omniscient, Most Wise.
[9:101] Among the Arabs around you, there are hypocrites. Also, among the city dwellers, there are those who are accustomed to hypocrisy. You do not know them, but we know them. We will double the retribution for them, then they end up committed to a terrible retribution.
[59:11] Have you noted those who are plagued with hypocrisy, and how they said to their companions in disbelief among the people of the scripture, “If you are evicted we will go out with you, and will never obey anyone who opposes you. If anyone fights you, we will fight on your side.” God bears witness that they are liars.
To learn more, read the Quran in English.
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