If you want, I will convert Safa into gold, but if they still refuse to believe afterward, they will not have a second chance.
Allah's answer, delivered through Jibril, after the Prophet ﷺ made du'a for Safa to be turned to gold at the Quraysh's request.
Chose not to pursue turning Mount Safa into gold, after Jibril's warning that the Quraysh would face instant punishment if they still refused to believe.