《庄子·外篇·刻意》
不做幸福的先导，也不为祸患的起始，外有所感而后内有所应，有所逼迫而后有所行动，不得已而后兴起。
不为福先，不为祸始。感而后应，迫而后动，不得已而后起。
They do not lead happiness, nor do they cause disasters; they respond to external stimuli with internal conformity, they act under certain constraints, and they start their actions as a last resort.