大般涅槃經義記 8.201

8.201

第三益中，初明梵志聞我發心，後明諸畜聞我發心捨離惡身。

In the third point, on benefits, it first explains that the brahmacārin heard about the self and gave rise to the aspiration [for awakening], and then explains that the various animals heard about the self, gave rise to the aspiration, and renounced their evil bodies.