And We gave them both the clear Book. And We guided them on the right way. And We granted them among the later generations (the salutation), Peace be… - Moses

And certainly We overtook Pharaoh's people with droughts and diminution of fruits that they might be mindful. But when good befell them they said: This is due to us. And when evil afflicted them, they attributed it to the ill-luck of Moses and those with him. Surely their evil fortune is only from Allah, but most of them know not. And they said: Whatever sign thou mayest bring to us to charm us therewith we shall not believe in thee. So We sent upon them widespread death, and the locusts and the lice and the frogs and the blood -- clear signs. But they behaved haughtily and they were a guilty people. And when the plague fell upon them, they said: O Moses, pray for us to thy Lord as He has made promise with thee. If thou remove the plague from us, we will certainly believe in thee and will let the Children of Israel go with thee. But when We removed the plague from them till a term which they should attain, lo they broke (their promise).

And Moses cried unto the LORD, saying: 'Heal her now, O God, I beseech Thee.

God gave you the Torah and wrought marvels for you, in order, through this and through the observances of the laws which He imposed upon you, to distinguish you before all other nations on earth. Consider, however, that whereas up to this time you have been ignorant, and your ignorance served as your excuse, you now know exactly what to do and what not to do. Until now you did not know that the righteous are to be rewarded and the godless to be punished in the future world, but now you know it. But as long as you will have a feeling of shame, you will not lightly commit sins.