trirūpaliṅgapūrvatvāt svārthaṃ mānaṃ na yujyate / iṣṭaghātakṛtā janyaṃ mithyājñānaṃ yathā kila //
"Inference for oneself cannot be valid because it depends on a three-featured sign which destroys what is desired, just as false knowledge [does]."