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Therefore, O mighty-armed Arjuna, his knowledge is steady whose senses are completely restrained from sense-objects.

Therefore, mighty-armed one, one whose senses are entirely held back from their objects has wisdom that is firmly established.

The verse repeats a refrain heard several times in this section. Therefore, mighty-armed one, the person whose senses are fully restrained from their objects has wisdom that is firmly established. The repetition binds together the descriptions of the person of steady wisdom. The epithet mighty-armed contrasts outer strength with the inner strength needed to master the senses. Krishna suggests that Arjuna's true heroism will lie in this mastery rather than only in physical prowess.