喺《物理學》（Physics）嘅第二冊，第三章頁面存檔備份，存於中，亞裏士多德應用了四因說來建立起物理學的論述方法。最後佢強調話：
In Book 2, Chapter 3 of Physics, Aristotle applies the theory of four causes to establish a method of discourse in physics. In closing, he emphasized: