On the other hand, among the earlier nations there were certain sins which could not be forgiven even by offering repentance.
All theses faculties grow strong as time passes until they reach their full capability.
It needs to be clarified here that all things forbidden by the religious code are forbidden everywhere and will attract punishment wherever committed; and the specific reference to haram in this verse is to emphasize the fact that just as a good deed performed within its limits will be generously rewarded, similarly a sin committed there will attract the most severe punishment.
Books of jurisprudence describe in detail the kind of animals killed and the type of animals to be slaughtered to atone for each such animal killed unlawfully.