辱身下志rǔ shēn xià zhì

humble oneself and curb one’s ambition
❍ 布乃称曰“穷困不能～，非人也；富贵不能快意，非贤也。”(《史记·季布栾布列传》)He said，“One who cannot humble himself and curb his ambitions in poverty is no true man. One who cannot enjoy wealth and rank does not amount to much either.”