ذَٰلِكَ بِأَنَّ ٱللَّهَ هُوَ ٱلْحَقُّ وَأَنَّهُۥ يُحْىِ ٱلْمَوْتَىٰ وَأَنَّهُۥ عَلَىٰ كُلِّ شَىْءٍ قَدِيرٌ
Zaalika bi annal laaha Huwal haqqu wa annahoo yuhyil mawtaa wa annahoo 'alaakulli shai'in Qadeer
That is because God is the Truth, and because he gives life to the dead, and because he has power over all things.
Two pieces of evidence have just been laid out, a body's stages in the womb and dead ground stirring under rain, and this line draws its conclusion from them. Both are ordinary and repeatable, which is the shape of the argument offered to a doubter: nothing extraordinary is produced as proof, only attention to what already happens. The same conclusion is drawn again at 22:62, from different evidence.