Wa izaa maaa unzilat Sooratun nazara ba'duhum ilaa ba'din hal yaraakum min ahadin summman sarafoo; sarafal laahu quloobahum bi annahum qawmul laa yafqahoon
And whenever a chapter is revealed, they cast glances at one another: Does any one see you? Then they turn away: Allah has turned away their hearts because they are a people who do not understand.