Al-Munafiqun - 63:2

اتَّخَذُوا أَيْمَانَهُمْ جُنَّةً فَصَدُّوا عَن سَبِيلِ اللَّهِ إِنَّهُمْ سَاء مَا كَانُوا يَعْمَلُونَ
[63:2]
They make their oaths a shelter, and thus turn away from Allah's way; surely evil is that which they do.
They have made their oaths a screen (for their misdeeds): thus they obstruct (men) from the Path of Allah: truly evil are their deeds.
They make their faith a pretext so that they may turn (men) from the way of Allah. Verily evil is that which they are wont to do,