Imminent extinction Painters use the process of painting self-portraits to probe the self, but this "self" and its emotional state changes with time. The painter Cheng Tzai-tung paints self-portraits as a form of journal.
畫家以自畫像來探詢自我，然而這個「我」卻會隨著分秒的移轉、情境的轉變而變化，所以畫家鄭在東就以自畫像來寫日記。