Quran 20:15

إِنَّ ٱلسَّاعَةَ ءَاتِيَةٌ أَكَادُ أُخْفِيهَا لِتُجْزَىٰ كُلُّ نَفْسٍۭ بِمَا تَسْعَىٰ

Indeed, the Hour is coming - I almost conceal it - so that every soul may be recompensed according to that for which it strives.

Translation · Saheeh International