Verse 100

لَعَلِّىٓ أَعْمَلُ صَـٰلِحًا فِيمَا تَرَكْتُ كَلَّآ إِنَّهَا كَلِمَةٌ هُوَ قَآئِلُهَا وَمِن وَرَآئِهِم بَرْزَخٌ إِلَىٰ يَوْمِ يُبْعَثُونَ

-that I may make right what I left behind. Not so, this is only an utterance, there is a barrier that separates him until the Day of Resurrection.