Wu's creative experience with these two media has led him to the following conclusion: "Carving wood involves 'subtraction,' with the wood getting smaller with each cut as you chisel away the parts you don't want.
對於這兩種材質，吳卿的創作經驗是：「雕刻木材是一種『減法』；一刀刀剔除，鑿空不要的部分，所要的形體就逐漸呈現，木料變得越少越輕，歡喜就越多。