In the West, the eye is said to be the window of the soul. In the Chinese Zen sect of Buddhism, the soul is regarded as a mirror. Both comparisons are based on metaphysics and the principles of art.
西方人曾說眼睛是靈魂之窗，中國禪宗則將心靈視為一面鏡子，這種比喻，當然都有點形而上的基礎，也相當程度地指出了藝術表現的某些原理。