with regards to the verse: He says, I have squandered immense wealth , said, 'This refers to 'Amr b. 'Abd Wudd when ?Ali b. Abi Talib proposed to him to submit to Allah [i.e. embrace Islam] on the day of al-Khandaq [the trench], to which he retorted, 'And what about the immense wealth I have spent on you?!' for he had spent great wealth in obstructing the cause of Allah, so 'Ali (AS) killed him.'