You use the expression ‘Never Bite The Hand That Feeds You’ to explain the
importance of acting respectfully toward those you depend upon.
Example of use: “I know the boss isn't always nice, but remember: Never bite the hand that feeds
you.”
The origin of the phrase ‘never bites the hand that feeds you’ isn’t known. One of the first times it was seen in print was during the 18th century, when political writer Edmund Burke said “having looked to government for bread, on the first scarcity they will turn and bite the hand that fed them.” The term is believed to be hundreds of years old.