Liu Yi (-285), famous incorruptible official of Western Jin dynasty the Western Jin dynasty 西晉|西晋[Xi1 Jin4] (265-316) / Liu Yi (-412), general of Eastern Jin dynasty 東晉|东晋[Dong1 Jin4] (317-420)
出淤泥而不染
chū yū ní ér bù rǎn
lit. to grow out of the mud unsullied (idiom) / fig. to be principled and incorruptible
一清如水
yī qīng rú shuǐ
lit. as clear as water (idiom) / fig. (of officials etc) honest and incorruptible
一琴一鹤
yī qín yī hè
carrying very little luggage (idiom) / honest and incorruptible (government officials)
lián