《陈书·列传·卷二十五》
如不这样，大事完了。 
如其不然，大事去矣。 
If we do not do so, then our great task is finished.
<s>[INST] Render the following Classical Chinese text into fluent English: 如其不然，大事去矣。  [/INST] If we do not do so, then our great task is finished.</s>
Render the following Classical Chinese text into fluent English: 如其不然，大事去矣。
user
If we do not do so, then our great task is finished.
assistant