kulocitamatiḥ kṣātraṃ dharmaṃ svaṃ bahumanyate| manyate parayā kīrtyā mahatsvargaphalaṃ tataḥ
He entertained thoughts befitting his (great) dynasty and honoured the code of conduct of a kshatriya. He believed one could attain heavenly abode through his great achievements.
— M.N. Dutt (1891)
Rama honours the code of conduct of a kshatriya — the warrior code. He does not simply follow rules; he 'entertains thoughts befitting his dynasty.' Right action begins with right thinking. The verse grounds Rama's virtue in his awareness of his lineage and its responsibilities.