The Prophets - 21:97 "The fulfillment of the Word of truth has come near, and the eyes of the disbelievers have been filled with fear: "Woe to us, we were heedless of this, we were indeed the wrongdoers."
The Hour/Those who do not believe in the end of the world:
The Kneeling/45:32 "When they were told that the Word of Allah is a truth and that the Hour is an inevitable event, you used to say: "We do not know what the Hour is, we only have various conjectures and we have no certain knowledge about it"."

The Cave/18:35 "So he entered his vineyard in self-persecution and said, "I do not think it will ever perish."
The Cave/18:36 "I do not think the end of the world will come, and if I am returned to my Lord, I will find something better there."

Explained in Detail/41:50 "When We give him a taste of mercy from Us after his distress, he says: "This belongs to me. I do not think that the end of the world will come. And if I am returned to my Lord, there are better things for me in His Presence."We will certainly inform the disbelievers of the true nature of what they used to do. We will make them taste a severe torment."

The Pilgrimage/22:55 As for the disbelievers, they will always be in doubt about it until the Hour (the end of the world) comes upon them suddenly, or until the punishment of that terrible Day comes upon them