In verse 18 of Surah Al-Hashr, part 28, Allah عَزَّوَجَلَّ has stated:

یٰۤاَ یُّہَا  ا لَّذِ یۡنَ   اٰمَنُو ا   اتَّقُو ا   اللّٰہَ    وَ  لۡتَنۡظُرۡ    نَفۡسٌ   مَّا   قَدَّ مَتۡ   لِغَدٍ  ۚ

Translation from Kanz-ul-Iman: O People who believe! Fear Allah, and every soul must see what it has sent ahead for tomorrow.

(Part 28, Surah Al-Hashr, verse 18)

Regarding this verse it is stated in ‘Tafseer Ibn Kaseer’: i.e. Seek explanation from yourselves before you will be called to account and ponder what you are saving that you will have with you to the court of Allah عَزَّوَجَلَّ. Remember! Allah عَزَّوَجَلَّ knows all of your deeds and conditions; your smallest and biggest both deeds are not concealed from Him. (Tafseer Ibn Kaseer, vol. 8, pp. 106)

Regarding this verse, it is stated in ‘Tafseer Durr-e-Mansoor’: Delivering the sermon Ameer-ul-Mu`mineen, Sayyiduna Siddeeq-e-Akbar رَضِىَ اللهُ تَعَالٰی عَـنْهُ has said, ‘O people! Remember you are advancing towards that death in the morning and evening which is invisible to your eyes. If possible be ready when death approaches you, but this cannot happen if Allah عَزَّوَجَلَّ does not enable you to do this. One group of people remembered the death of others, but forgot their own death, therefore Allah عَزَّوَجَلَّ has forbidden you to be like them. In verse 19 of Surah Al-Hashr, part 28, Allah عَزَّوَجَلَّ has said:

وَ لَا   تَکُوۡ نُوۡ ا   کَا لَّذِیۡنَ   نَسُو ا   اللّٰہَ    فَاَ نۡسٰہُمۡ    اَنۡفُسَہُمۡ   ؕ   اُو لٰٓئِکَ   ہُمُ    ا لۡفٰسِقُوۡ نَ    ﴿۱۹﴾

Translation from Kanz-ul-Iman: And do not be like those who forgot Allah – He therefore put them into hardship making them forget themselves; it is they who are the sinners. (Part 28, Surah Al-Hashr, verse 19)

Regarding this verse, it is sated in ‘Tafseer Durr-e-Mansoor’: Where are those people today? Whom you called your brother; they have got access to those