﴿ هُوَ ٱلَّذِى خَلَقَكُم مِّن طِينٍۢ ثُمَّ قَضَىٰٓ أَجَلًۭا ۖ وَأَجَلٌۭ مُّسَمًّى عِندَهُۥ ۖ ثُمَّ أَنتُمْ تَمْتَرُونَ ﴾

“He it is who has created you out of clay, and then has decreed a term [for you] - a term known [only] to him. And yet you doubt –”

Please check ayah 6:3 for complete tafsir.