两袖清风 liǎngxiù-qīngfēng
[have clean hands;remain uncorrupted; have unsoiled hands] 原指人迎风潇洒,飘飘欲仙之态。后比喻为官清廉。现也指家贫,一无所有
父亲零落鬓如丝,两袖清风一束诗。——元· 魏初《送杨季海》