Later in the Middle Ages, many scholars conceded that the first cause was God, but explained that many earthly events occur within God's design or plan, and thereby scholars sought freedom to investigate the numerous secondary causes.
中世纪后期，很多学者承认第一因是上帝，但认为尘世的很多事件实在上帝的设计或计划之中，因此学者寻求有自由研究各种第二因。