Quran 3:187 — The Amramites (Ali-'Imran)

GOD took a covenant from those who received the scripture: "You shall proclaim it to the people, and never conceal it." But they disregarded it behind their backs, and traded it away for a cheap price. What a miserable trade.

[3:186] You will certainly be tested, through your money and your lives, and you will hear from those who received the scripture, and from the idol worshipers, a lot of insult. If you steadfastly persevere and lead a righteous life, this will prove the strength of your faith.

[3:188] Those who boast about their works, and wish to be praised for something they have not really done, should not think that they can evade the retribution. They have incurred a painful retribution.