Dalil

Quran An-Naml 27:72

قُلۡ عَسَىٰٓ أَن يَكُونَ رَدِفَ لَكُم بَعۡضُ ٱلَّذِي تَسۡتَعۡجِلُونَ

Translation

Say, "Perhaps it is close behind you [i.e., very near] - some of that for which you are impatient.