anenaitad āha yadyapyanubhūtā śaktistathāpyapramāṇasārūpyād bhrānter niścetuṃ na śakyate viṣādiśaktivat /
What is meant by this is [the following]: Even though the Capacity has been apprehended, due to its resemblance to invalid cognition, it cannot be determined with certainty, just like [in the case of] the potency of poison [antidotes].