清者自清，浊者自浊 (清者自清，濁者自濁) qīng zhě zì qīng, zhuó zhě zì zhuó

qīng zhě zì qīng, zhuó zhě zì zhuó phrase a clean hand wants no washing
Domain: Buddhism 佛教 , Subdomain: Fo Guang Shan
Notes: (Glossary of Humanistic Buddhism)