40:22That is because their messengers used to come to them with clear proofs, but they disbelieved, so God seized them. He is Strong, Severe in retribution.

40:23We sent Moses with Our signs, and a clear authority.

40:28A believing man from Pharaoh's family, who had concealed his faith, said, “Are you going to kill a man for saying, `My Lord is God,’ and he has brought you clear proofs from your Lord? If he is a liar, his lying will rebound upon him; but if he is truthful, then some of what he promises you will befall you. God does not guide the extravagant imposter.

40:34Joseph had come to you with clear revelations, but you continued to doubt what he came to you with. Until, when he perished, you said, “God will never send a messenger after him.” Thus God leads astray the outrageous skeptic.

40:50They will say, “Did not your messengers come to you with clear signs?” They will say, “Yes.” They will say, “Then pray, but the prayers of the disbelievers will always be in vain.”

40:66Say, “I was prohibited from worshiping those you invoke besides God, now that clear revelations have come to me from my Lord; and I was commanded to submit to the Lord of the Worlds.”

40:83When their messengers came to them with clear proofs, they rejoiced in the knowledge they had, and the very things they used to ridicule besieged them.