《经集》〈蛇品〉第十二经，是一组由不同场合教诫合编而成的偈颂，界定真正的牟尼为无家、无争、无贪、坚定禅修之人。

The twelfth sutta of the Uraga Vagga of the Suttanipāta, a composite set of verses defining the true sage as one who lives homeless, free of strife and covetousness, and firm in meditation, said to have originated from teachings given on various separate occasions.