召父杜母

西汉时期的南阳太守召信臣和东汉时期的南阳太守杜诗，这两人在担任南阳太守期间都能为民兴利，开凿水利沟渠，开垦荒地与坡地，广拓耕田，注重农业的发展，深受老百姓的爱戴，被老百姓称为“前有召父，后有杜母。

Zhao Xinchen of the Western Han Dynasty and Du Shi of the Eastern Han Dynasty were successively the prefects of Nanyang. Both of them had good governance. A cliche praising the achievements of local governors.