在草纸双金作品中，刘任以科学与宗教为一面银币的正反两面，来诠释人类生命进程的发展与原罪，在这个结构 中，苹果作为一种“道具”，贯穿其中。《伦琴与禁果》中一面是一只被 X 光穿透的苹果底片与另一面伦琴射线 的发现者伦琴的形象形成画面叙事。

LIU Ren uses the images, which are the symbol of science and religion, in Roentgen & Forbidden Fruit as “two sides of the silver coins” to interpret the development and the original sin of human life. In this structure, the apple is used as a "prop". In Roentgen and the Forbidden Fruit, LIU drawn an X-ray penetrating apple film on one side and the image of Roentgen, the discoverer of the Roentgen rays, on the other side to form a narrative.