US-P05.001ab ।US-P05.001cd ॥
In plain words
Just as the sage Udaṅka refused the immortal nectar, suspecting it to be urine, so does a person reject the knowledge of the Self out of fear that their duties would be destroyed.
Close to the Sanskrit
Just as the sage Udaṅka, suspecting urine, did not accept the nectar, thus is the living being's reluctance towards knowledge of the Self out of fear of destruction of action.