There is something dramatic about Wu's fascination with butterflies: he was born with red-green color blindness, but is besotted with lovely butterflies of every color. Like a deaf musician, Wu arouses a natural curiosity in people who wonder whether the world he sees can really be as beautiful as theirs.
而吳明益的蝶類觀察也充滿戲劇性，他天生「紅綠色弱」，卻醉心於色彩瑰麗的蝴蝶，外界容易產生一種類似對聾人音樂家的好奇：他見到的世界可有我們這麼瑰麗？