《左传·僖公·僖公二十八年》
上天给予他年寿，同时除去了他的祸害，上天所设置的，难道可以废除吗？《军志》说： 适可而止。 
天假之年，而除其害。天之所置，其可废乎？《军志》曰： 允当则归。 
Heaven gave him years and removed his disasters. What Heaven has set, can it be abolished? The "Military Chronicles" said: That's enough.