Literature Reference: 晦即全身药，明为伐性兵。—— 《江州赴忠州至江陵已来舟中示舍弟五十韵》 Obscurity is the medicine for preserving the body; clarity is the weapon that harms its nature. Source from 'Jiangzhou to Zhongzhou to Jiangling Yilai Zhou Zhong Shi Shedi Wushi Yun'.
伐:
Undertake the task of felling trees, fear no hardship or obstacle, and strive forward with determination.
性: Nature, attribute. The literal meaning carries ambiguity; use with caution.
Meaning: Excessive pursuit of clarity and external wisdom can harm one's intrinsic nature.