Death

How can you disbelieve in Allah when you were lifeless and He brought you to life; then He will cause you to die, then He will bring you [back] to life, and then to Him you will be returned.
Surat Al-Baqarah 2:28 

And seek help through patience and prayer, and indeed, it is difficult except for the humbly submissive [to Allah ]. Who are certain that they will meet their Lord and that they will return to Him.
Surat Al-Baqarah 2:45-46

And those who are taken in death among you and leave wives behind – they, [the wives, shall] wait four months and ten [days]. And when they have fulfilled their term, then there is no blame upon you for what they do with themselves in an acceptable manner. And Allah is [fully] Acquainted with what you do.
Surat Al-Baqarah 2:234

O you who have believed, do not be like those who disbelieved and said about their brothers when they travelled through the land or went out to fight, “If they had been with us, they would not have died or have been killed,” so Allah makes that [misconception] a regret within their hearts. And it is Allah who gives life and causes death, and Allah is Seeing of what you do.
Surat Al-e-Imran 3:156

And never think of those who have been killed in the cause of Allah as dead. Rather, they are alive with their Lord, receiving provision, Rejoicing in what Allah has bestowed upon them of His bounty, and they receive good tidings about those [to be martyred] after them who have not yet joined them – that there will be no fear concerning them, nor will they grieve. They receive good tidings of favour from Allah and bounty and [of the fact] that Allah does not allow the reward of believers to be lost –
Surat Al-e-Imran 3:169-171

Every soul will taste death, and you will only be given your [full] compensation on the Day of Resurrection. So he who is drawn away from the Fire and admitted to Paradise has attained [his desire]. And what is the life of this world except the enjoyment of delusion.
Surat Al-e-Imran 3:185

Our Lord, indeed we have heard a caller calling to faith, [saying], ‘Believe in your Lord,’ and we have believed. Our Lord, so forgive us our sins and remove from us our misdeeds and cause us to die with the righteous.
Surat Al-e-Imran 3:193

But repentance is not [accepted] of those who [continue to] do evil deeds up until, when death comes to one of them, he says, “Indeed, I have repented now,” or of those who die while they are disbelievers. For them We have prepared a painful punishment.
Surat An-Nisa 4:18

Wherever you may be, death will overtake you, even if you should be within towers of lofty construction. But if good comes to them, they say, “This is from Allah “; and if evil befalls them, they say, “This is from you.” Say, “All [things] are from Allah .” So what is [the matter] with those people that they can hardly understand any statement?
Surat An-Nisa 4:78

O you who have believed, testimony [should be taken] among you when death approaches one of you at the time of bequest – [that of] two just men from among you or two others from outside if you are traveling through the land and the disaster of death should strike you. Detain them after the prayer and let them both swear by Allah if you doubt [their testimony, saying], “We will not exchange our oath for a price, even if he should be a near relative, and we will not withhold the testimony of Allah. Indeed, we would then be of the sinful.”
Surat Al-Ma’idah 5:106

Say, “Indeed, my prayer, my rites of sacrifice, my living and my dying are for Allah , Lord of the worlds.
Surat Al-An’am 6:162

And who is more unjust than one who invents a lie about Allah or says, “It has been inspired to me,” while nothing has been inspired to him, and one who says, “I will reveal [something] like what Allah revealed.” And if you could but see when the wrongdoers are in the overwhelming pangs of death while the angels extend their hands, [saying], “Discharge your souls! Today you will be awarded the punishment of [extreme] humiliation for what you used to say against Allah other than the truth and [that] you were, toward His verses, being arrogant.”
Surat Al-Anam 6:93

And We did not grant to any man before you eternity [on earth]; so if you die – would they be eternal? Every soul will taste death. And We test you with evil and with good as trial; and to Us you will be returned.
Surat Al-Anbya 21:34-35

Every soul will taste death. Then to Us will you be returned.
Surat Al-Ankabut 29:57

Allah takes the souls at the time of their death, and those that do not die [He takes] during their sleep. Then He keeps those for which He has decreed death and releases the others for a specified term. Indeed in that are signs for a people who give thought.
Surat Az-Zumar 39:42

He it is who gives life and causes death; and when He decrees a matter, He but says to it, “Be,” and it is.
Surat Ghafir 40:68

And the intoxication of death will bring the truth; that is what you were trying to avoid.
Surat Qaf 50:19

Say, “Indeed, the death from which you flee – indeed, it will meet you. Then you will be returned to the Knower of the unseen and the witnessed, and He will inform you about what you used to do.”
Surat Al-Jumu’ah 62:8

O you who have believed, let not your wealth and your children divert you from remembrance of Allah . And whoever does that – then those are the losers. And spend [in the way of Allah ] from what We have provided you before death approaches one of you and he says, “My Lord, if only You would delay me for a brief term so I would give charity and be among the righteous.” But never will Allah delay a soul when its time has come. And Allah is Acquainted with what you do.
Surat Al-Munafiqun 63:9-11

And the dying one is certain that it is the [time of] separation
Surat Al-Qiyamah 75:28