Never Bite The Hand That Feeds You
不要伤害或背叛那些帮助过你、支持你的人，强调感恩和忠诚。
劝诫他人不要忘恩负义
英文释义
Don't hurt anyone that helps you.
例句
He criticized his mentor publicly, forgetting to never bite the hand that feeds you.
典故来源
源自18世纪英国谚语，比喻动物不会咬喂养自己的手，后引申为人际关系中的道德准则。