tasmād arthakriyābhāsaṃ jñānaṃ yāvan na jāyate / tāvad ādye 'pramāśaṅkā jāyate bhrāntihetutaḥ
Therefore, as long as a cognition presenting effective action does not arise, there remains suspicion about the invalidity of the initial [cognition] due to possible causes of error.