Qiyamah

Book 41, Number 6950:

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: The world would not come to an end until a day would come to the people on which the murderer would not know as to why he has killed and the slain would not know as to why he has been murdered. It would be said: Why would It happen? To which he replied: It would be because of general massacre and bloodshed. And the slaughterers and the slain would be in Fire, and in the narration of Ibn Aban, the name of Abu Isma'il has been mentioned. 

Tafseer Ibnu Kathir: The Idolators Ask for a Miracle

Allah states that the idolators used to proclaim, "Why does not (Muhammad) bring an Ayah from his Lord,'' meaning, a miracle of their choice! They would sometimes say,

[لَن نُّؤْمِنَ لَكَ حَتَّى تَفْجُرَ لَنَا مِنَ الاٌّرْضِ يَنْبُوعًا]

("We shall not believe in you, until you cause a spring to gush forth from the ground for us.'') [17:90].

Tafseer Ibn Kathir: Allah guides Whom He wills

Allah says to His Messenger : `O Muhammad:

[لاَ تَهْدِى مَنْ أَحْبَبْتَ]

(Verily, you guide not whom you like)' meaning, `the matter does not rest with you; all that you have to do is convey the Message, and Allah will guide whom He wills, and His is the ultimate wisdom,' as He says: