। ॥ ८१६ ॥
In plain words
As long as doubts concerning the validity of the teaching and the nature of the Reality persist in the mind, so long must one continue to inquire through scripture and reason.
Close to the Sanskrit
As long as doubt regarding the means of knowledge does not depart from one's intellect, and doubt regarding the object of knowledge [remains], so long [must one inquire] through scripture and reasoning.