Dars e Quran
Rasulullah (sallallahu alayhi wasallam) came with the mission of Islam for one single purpose, viz. the salvation of mankind. This purpose was the guiding factor the forgiveness which was granted to the Mushrikeen on the day of the Conquest of Makkah.
It was the end of sixth century when ism prevailed all around and non-civilized state was touching its peaks. All big religions of that time had failed to ameliorate the situation and they did not have any remedy to the menace of debauchery and irregularity. Religions had met high distortion and amendments that it was difficult to find their real shapes.