Wu believes that learning the necessary skills is not the hardest part. The most complex element is determining how to capture abstract ideas and rapidly changing emotions and then transform them into concrete images; that is the main issue facing all paper sculptors.
她認為技巧並不是最困難的，如何將抽象的思維、瞬息變化的情感，加以捕捉、轉化成具體的畫面，才是紙雕藝者必須面對的課題。