This further adds a sense of beauty to the fate governing marriage. Professor Yang Kuo-shu observes that there is no clear biological process which can explain the mutual attraction or rejection between marriage partners or friends of opposite sexes, and so fate becomes the most satisfactory explanation for those mysterious states of the soul.
楊國樞教授指出，對婚姻、異性朋友間的遇合，並無一明確的生理歷程可說明彼此的吸引或排斥，因此，緣就成了最能滿足人們對心靈狀態模糊性的詮釋。