Literature Reference: Steep paths lead to suchness, who can distinguish the sage from the fool? From 'To the Nameless Monk of Purple Pavilion'.
圣: Holy and noble, it is extended in personal names to signify intelligence, exceptional talent, integrity, and moral excellence.
愚: Ignorance, folly, utterly senseless.
Meaning: The term 'sage-fool' represents wisdom beyond the mundane, signifying the extraordinary within the ordinary, and the sage hidden in simplicity.