David may have had some knowledge of how embryos develop, so he could reason that each step must take place according to a preexisting design and timetable.
(‏ مزمور ١٣٩ :‏ ١٦‏ )‏ كَانَتِ ٱلْخَلِيَّةُ ٱلْأُولَى ٱلَّتِي تَكَوَّنْتَ مِنْهَا تَحْتَوِي عَلَى ٱلتَّصْمِيمِ ٱلْكَامِلِ لِكُلِّ جِسْمِكَ .‏