The experience that has left the strongest impression on him occurred four years ago, when he received an urgent phone call from the owner of Yungchun Farm in Puli requesting he head down south to examine a pine tree at the farmer's home.
令他印象深刻的，莫過於四年前他接到一通來自埔里永春農場的主人的電話，語氣緊張的請他南下幫忙替家中的一棵老松樹看病。