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.
Тийм учраас, хөгжлийнх нь шат болгон урьдаас гаргасан схем, товлосон цаг хугацаатай явагдах ёстойг ойлгожээ.