Self use is small
The Chinese idiom, Pinyin is Z ì y ò ngz é Xi ǎ o, which means subjective and arbitrary, can't do great things. It's from the book of history, Zhonghui's Gao.
The origin of Idioms
According to the book of history, Zhonghui's Gao: "if you ask questions well, you will be rich; if you use yourself, you will be small."
Idiom usage
Used as a predicate or attributive; used to admonish.
Self use is small
hide one 's candle under a bushel - bù lù fēng huì
You can't get up or down - shàng bù zháo tiān,xià bù zháo dì