《搜神记·卷十二》
如果禀受了这一种气质，就一定有这一种形体；如果有了这一种形体，就一定会产生这一种性情。
苟禀此气，必有此形；苟有此形，必生此性。
Whenever a person has a certain qi, he will have a certain physique. Whenever he has a certain physique, he will have a certain temperament.