कर्मणैव हि संसिद्धिमास्थिता जनकादयः। लोकसंग्रहमेवापि संपश्यन्कर्तुमर्हसि
karmaṇaiva hi sansiddhim āsthitā janakādayaḥ loka-saṅgraham evāpi sampaśhyan kartum arhasi
King Janaka and others attained perfection through action alone. Even for the sake of enlightening the world, it is your duty to act.
Translated by Shri Purohit Swami
Janaka and others attained perfection indeed through action alone; even with the intention of protecting the masses, you should perform action.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
karmaṇā—by the performance of prescribed duties; eva—only; hi—certainly; sansiddhim—perfection; āsthitāḥ—attained; janaka-ādayaḥ—King Janak and other kings; loka-saṅgraham—for the welfare of the masses; eva api—only; sampaśhyan—considering; kartum—to perform; arhasi—you should;