mathiḥ 12:33

pādapaṁ yadi bhadraṁ vadatha, tarhi tasya phalamapi sādhu vaktavyaṁ, yadi ca pādapaṁ asādhuṁ vadatha, tarhi tasya phalamapyasādhu vaktavyaṁ; yataḥ svīyasvīyaphalena pādapaḥ paricīyate|