When the Holy Prophet conquered Mecca with his strong army of twelve thousand soldiers, he treated people so kindly that they all were surprised. No one could believe that a victor could treat the defeated party in this way.
People of Mecca had gathered in the Sacred Mosque to see the leader of Muslims and Islam come out of Ka`bah and judge those who committed all kinds of persecution against him for thirteen years. However, after breaking the idols, the Holy Prophet came out of Ka`bah addressing the people of Mecca as such,
“O people! You were bad kinsmen and neighbors for me. You expelled me from my hometown and fought against me in an unmanly way. You did not spare any attempt to persecute me, my friends and my companions. You killed my uncle, Hamzah. You fought against Allah’s Messenger so I have the right to avenge myself on you. Based on this right, your men must be killed, your wives and children must be taken captive, your property must be seized by the conquerors, and your houses must be demolished. But I leave the judgment to you.
What do you think?”
Suhayl ibn `Amr, representing his people, said, “We speak good and think good. You are an honorable brother and an honorable nephew who has power over us.”
These words impressed the tenderhearted Prophet in such a way that his eyes were filled with tears. People of Mecca started weeping. Then the Holy Prophet said, “I do the same thing as my brother Joseph did. There is no sin upon you today. May Allah forgive you; He is the Most Compassionate, the Most Merciful.”
Al-Kafi: 225/4, H 3.