Say: Surely my Lord amplifies the means of subsistence for whom He pleases of His servants and straitens (them) for whom (He pleases), and whatever thing you spend, He exceeds it in reward, and He is the best of Sustainers.

When their messengers came to them from before them and from behind them, saying, Serve nothing but Allah, they said: If our Lord had pleased He would certainly have sent down angels, so we are surely unbelievers in that with which you are sent.