﴿ قُلْ إِنْ أَدْرِىٓ أَقَرِيبٌۭ مَّا تُوعَدُونَ أَمْ يَجْعَلُ لَهُۥ رَبِّىٓ أَمَدًا ﴾

“Say: "I do not know whether that [doom] of which you were forewarned is near, or whether my Sustainer has set for it a distant term."”

Please check ayah 72:28 for complete tafsir.