(39) “What harm would it do them if they believed in Allah and the Last Day and spent from what Allah had provided them? And Allah is All-Knowing of them.”

That is: What burden, hardship, or difficulty would befall them if they believed in Allah—which entails sincerity—and spent from the wealth that Allah had provided for them and bestowed upon them, thus combining sincerity with spending? Since sincerity is a secret between the servant and his Lord, known to none but Allah, He, Most High, affirmed His knowledge of every condition, saying: “And Allah is All-Knowing of them.”