Dalil

Quran Al-Baqarah 2:46

ٱلَّذِينَ يَظُنُّونَ أَنَّهُم مُّلَٰقُواْ رَبِّهِمۡ وَأَنَّهُمۡ إِلَيۡهِ رَٰجِعُونَ

Translation

Who are certain that they will meet their Lord and that they will return to Him.