— of these two, in that case; — knowledge; — self-established, proven by itself; — action; — residing in the body, dependent on the body; — being, since it is; — by others; — also, even; — can be observed, can be discerned; — through it (action); — another's knowledge; — is inferred, is surmised
Of these two, knowledge is self-established; action, since it resides in the body, can be observed even by others, and through it the knowledge of another is inferred.