Literature Reference: 无由西北归，空自东南顾。—— 《和李公七夕》 No way to return northwest, I gaze longingly southeast. Source from 'He Li Gong Qi Xi'.
无: No, it's clean, won't happen.
由: Cause. Matter. Reason.
Meaning: Wuyou implies a sense of detachment and acceptance of the natural flow of life.