Islam is a religion of order and sublime aspirations, and it urges the Muslims to be united, helping and supporting one another; there is always fear that they may find themselves in situations where dissent and disputes could arise in their gatherings. The best places for the Muslims to gather is attending prayers in congregation in the mosques. In this hadith, al-Nu‘man ibn Bashir (may Allah be pleased with him) tells of the Prophet’s instruction to the people to straighten their rows, as he said: “You should certainly straighten your rows.” What is meant is that the people standing in the rows should all stand in one straight line. It also means filling any gaps in the row. “or Allah will cause dissent to occur among you” that is, if you do not straighten the rows, Allah will cause dissent to occur among you. Thus He made a connection between not straightening the rows and the occurrence of dissent and division. This is a warning to those who do not straighten their rows of a punishment that matches their sin, because they differed when they failed to stand in a straight line. What is meant by dissent is the occurrence of enmity, rancour and division among them, because failing to straighten their rows is a visible difference, and visible differences lead to differences in their hearts. Or what is meant is having different aims and goals, in which case the hadith means that Allah will make each of you have different goals. This is because having similar aims and goals in the heart will be reflected in visible harmony and straightening of the rows. But when the rows are not straight, it is indicative of the people having different aims in their hearts. So if the rows continue to be ragged and no attention is paid to that, Allah will soon cause differences to occur in their aims and goals. It was also said that the meaning of the word translated here as dissent or division refers to distortion of the face in a literal sense, moving it to the back of the head. This is similar to the warning issued to the one who raises his head before the imam does, that Allah may turn his head into the head of a donkey. One of the reasons for straightening the row is that it leads to a good appearance and good performance of prayer, for being straight and proper is something that is required both outwardly and inwardly. Another reason is so that the Shaytan will not come in between their rows and spoil their prayer with his whispers. Yet another reason is that straightening the rows gives them more space so that they can all pray together even if their number is great; if they consolidate their rows, their mosque will be able to accommodate all of them, but if they do not do that, it will feel too crowded..