﴿ فَإِن تَابُوا۟ وَأَقَامُوا۟ ٱلصَّلَوٰةَ وَءَاتَوُا۟ ٱلزَّكَوٰةَ فَإِخْوَٰنُكُمْ فِى ٱلدِّينِ ۗ وَنُفَصِّلُ ٱلْءَايَٰتِ لِقَوْمٍۢ يَعْلَمُونَ ﴾

“Yet if they repent, and take to prayer, and render the purifying dues, they become your brethren in faith: and clearly do We spell out these messages unto people of [innate] knowledge!”

The basis of social life rests on two things: kinship or mutual commitments or agreements. Man honours such rights as are based on blood relationships and the rights of those with whom he has agreements, in terms of his commitments to them. But when a man is overcome by the temptation of worldly interest, and its considerations, he forgets both these duties. For the sake of his petty interests, he forgets the rights of blood relations as well as rights flowing from agreements. Such people are transgressors; they are guilty in the eyes of God. Even if they escape the consequences in the world, they will not be able to save themselves from seizure by God in the Hereafter, unless they repent and desist from arrogance. However wicked an individual may have been in the past, he becomes a respectable member of the Islamic brotherhood if he makes amends and reforms himself. Thereafter, there remains no difference between him and other Muslims.