He only takes these from trees growing more than 1500 meters above sea level, for only then do they really show "the trees 'vitality in their struggle with nature." In his carving, he tries hard to preserve the wood's natural shape, "to make the wood seem even more like wood."
他只取海拔一千五百公尺以上的木瘤，因為那才顯示「樹與大自然抗爭的生命力」，他的加工也儘量維持木頭的自然造型，「讓木頭更像木頭」。