四因說，係由古希臘哲學家亞裏士多德提出，佢將世界上事物嘅變化同運動嘅背後原因都歸納成四大類。四因包括有：
This was proposed by the ancient Greece philosopher Aristotle, who summarized the reasons behind the changes and movements of things in the world into four categories. The four causes include: