shēn​zhèng​bù​pà​yǐng​zi​xié

an upright person fears no gossip

身正不怕影子斜 shēn​zhèng​bù​pà​yǐng​zi​xié
an upright person fears no gossip
literally meaning "if the body is straight, one need not fear that the shadow is slanted"; used to express that as long as one acts honorably, there is no need to worry about what others say or think