Those who reject Our signs, We shall gradually visit with punishment, in ways they perceive not; 182 And I give them rein: verily My contrivance is firm. 183 Do they not reflect? Their companion is not seized with madness: he is but a perspicuous warner. 184 Will they not ponder upon the kingdom of the heavens and the earth, and all that Allah created, and that it may be that their term is drawing near? So, in which speech will they believe thereafter? 185 For those whom Allah lets go astray, there is no guide; and He will leave them in their transgression to stumble blindly. 186 They ask you (Muhammad), "When will the Day of Judgment be?" Tell them, "My Lord knows best. It is He who has appointed its time. It will be a grave hour both in the heavens and the earth. It will only approach you suddenly." They say, "It seems that you know about the coming of the Day of Judgment." Tell them, "Only God knows about it and most people do not know." 187 Say, “I have no autonomy to benefit or hurt myself, except what Allah wills; and were I to procure knowledge of the hidden on my own, it would be that I had accumulated a lot of good; and no misfortune would touch me; I am purely a Herald of Warning and Glad Tidings to the people who believe.” 188