1. Li Bai was one of the great poets in the Tang Dynasty. He didn't like powerful people and pursued freedom. He was unmoved by the salary of senior officials in the imperial court, led an honest and clean life and pursued the life he longed for.

2. Sima Qian. Historians of the Western Han Dynasty, whose main work is Historical Records, despite the humiliation and burden of the imperial court's imposition of castration, have never accepted the imperial court's dignitaries as their agents, leading a totally clean life.