《明史·列传·卷九十七》
 以前旁门左道惑众，圣王必定加诛他们。
左道惑众，圣王必诛。
In the past, when unorthodox teachings confused the people, the sage kings would certainly punish them.
<s>[INST] Convert the following modern Chinese text into Classical Chinese:  以前旁门左道惑众，圣王必定加诛他们。 [/INST] 左道惑众，圣王必诛。</s>
Convert the following modern Chinese text into Classical Chinese:  以前旁门左道惑众，圣王必定加诛他们。
user
左道惑众，圣王必诛。
assistant