"Behind this deliberate abandonment of the bright, rich colors of the Tang and Six Dynasties eras in favor of the simple beauty of monochromes, one senses the rise of rationalism-the spirit of exhaustive enquiry into the nature of all things which typifies the Song-dynasty [Neo-Confucianist] School of Laws," comments Professor Ko Ching-ming of NTU's Chinese department.
「這樣摒棄唐代與六朝鮮豔富麗的色彩，刻意標舉單彩的樸素之美，背後隱含著理性的抬頭，也就是宋人窮理盡性的理學思想」，台大中文系教授柯慶明表示。