辯正論 6.41

6.41

內十喻曰（注老訓狂勃殺二親為行先釋教仁慈濟四生為德本）。

The Buddhist's Tenth Analogy says: (Note: Laozi's instruction was mad and rebellious, taking the slaughter of one's two parents as the foremost practice; the Śākya teaching is kind and compassionate, taking the salvation of the four kinds of born beings as the root of virtue.)