Then you turned back after that; so were it not for the grace of Allah and His mercy on you, you would certainly have been among the losers.

Then did I punish those who disbelieved, so how was the manifestation of My disapproval? / Do you not see that Allah sends down water from the cloud, then We bring forth therewith fruits of various colors; and in the mountains are streaks, white and red, of various hues and (others) intensely black? / And of men and beasts and cattle are various species of it likewise; those of His servants only who are possessed of knowledge fear Allah; surely Allah is Mighty, Forgiving.

And if they had believed and guarded themselves (against evil), reward from Allah would certainly have been better; had they but known (this).