During the almost three months that he worked at the insect exhibition, he was promoted to guide, and became an enthusiastic amateur lepidopterist. After class, he would pack a knapsack and head off to the wooded mountains in search of butterflies. He kept a diary of his observations, and sporadically published essays about them.
昆蟲展的兩、三個月時間裡，他從工讀生晉升為解說員，從陌生到熱情，於是開始在課餘時背起背包，行走於山林間追逐蝴蝶出沒的路徑，書寫觀察紀錄，並零星發表數篇生態散文。