Deuteronomy 20:19

When thou shalt besiege a city a long time, in making war against it to take it, thou shalt not destroy the trees thereof by forcing an axe against them: for thou mayest eat of them, and thou shalt not cut them down (for the tree of the field {is} man's {life}) to employ {them} in the siege: {for the...: or, for, O man, the tree of the field is to be employed in the siege} {to employ...: Heb. to go from before thee}