﴿ وَمَن نُّعَمِّرْهُ نُنَكِّسْهُ فِى ٱلْخَلْقِ ۖ أَفَلَا يَعْقِلُونَ ﴾

“But [let them always remember that] if We lengthen a human being’s days, We also cause him to decline in his powers [when he grows old]: will they not, then, use their reason?”

Please check ayah 36:70 for complete tafsir.