He explained to them the beauty of Allah's creation, His power and wisdom. Idol worship is detested by Allah, for Allah is the Lord of the universe Who created mankind, guided him, provided him with food and drink, and cured him when he was sick, and Who will cause him to die and be raised up again. It was He to Whom Abraham prayed and Who would forgive his sins on the Day of Judgment. However, they would not give up but clung fast to idolatry.
Abraham left his father's house and abandoned his people and what they worshipped. He decided to do something about their state of disbelief, but did not reveal it. He knew that there was going to be a great celebration on the other bank of the river which would be attended by all the people. Abraham waited until the city was empty, then came out cautiously, directing his steps towards the temple. The streets leading to it were empty and the temple itself was deserted, for the priests had also gone to the festival outside the city.
Abraham went there carrying a sharp ax. He looked at the stone and wood statues of the gods and at the food laid in front of them as offerings. He approached one of the statues and asked: The food in front of you is getting cold. Why don't you eat?" The statue kept silent and rigid. Abraham asked the other statues around him: "Will you not eat (of the offering before you)?" Surah 37: 91
He was mocking them for he knew they would not eat. He once again asked then: "What is the matter with you that you do speak not?" Surah 37: 92
He then raised his ax and started smashing the false gods worshipped by the people. He destroyed them all except one, on whose neck he hung the ax. After this his anger subsided and he felt at peace. He left the temple. He had fulfilled his vow to show his people a practical proof of their foolishness in worshipping something other than Allah.