《孙膑兵法·奇正》
悬出高赏低罚，而众军却不听令，这是由于命令是众军无法执行的。
赏高罚下，而民不听其令者，其令，民之所不能行也。
Heavy rewards and light punishments were dangled and yet the army did not follow orders; this was because these were orders that the army could not execute.