Do they await except its result?1 The Day its result comes, those who had ignored it before will say, "The messengers of our Lord had come with the truth, so are there [now] any intercessors to intercede for us or could we be sent back to do other than what we used to do?" They will have lost themselves, and lost from them is what they used to invent.
Translation: Saheeh International (English)
1 The fulfillment of what is promised in the Qur’ān.
Those who disbelieve in reality only wait for what they have been warned: a painful punishment in the Afterlife as a result of their actions. The believers were also foretold about the reward of that day. Those who ignored the Qur’ān in the life of this world, not acting according to what is in it, will then say: 'Indeed the messengers of our Lord came with the truth, in which there was no doubt. If only there was a mediator who could now plead on our behalf so we could be excused from the punishment. Or if only we could return to the life of the world to do good actions that would save us instead of the bad we committed!' The disbelievers have lost themselves, gaining their own ruin because of their disbelief. Those who they used to worship beside Allah have abandoned them, and can be of no help to them.