(Click to enlarge vintage painting of Krishna and Arjuna on the Battlefield of Kurukshetra)
"Take, take the example of Arjuna. What is that? He was in the battlefield. The problem was to fight or not to fight. But so long he was not in the brahma-bhūta stage, identifying his body, that 'I am this body,' he was thinking the bodily relationship: 'Oh, he's my father. He's my brother. He's my uncle. He's my grandfather.' He was hesitant. But the same fighting remained after hearing Bhagavad-gītā. And what is the change? The change is that bodily identification gone, spiritual identification taken, that he, as part and parcel of Kṛṣṇa, it is his duty to serve Kṛṣṇa: 'Kṛṣṇa wants this fight. I must fight. That's all.' Similarly, brahma-bhūta stage means when you fight for Kṛṣṇa. The fighting here, in this world, nobody can remain without fighting, struggle for existence. Everyone has to fight. Daily you are fighting to exist. Utilize this fighting for Kṛṣṇa, then your life is successful. Yuddhyasva mām anusmara (BG 8.7). It is not that, oh, fighting is stopped. Fighting you have to do so long you are in this material world. Kṛṣṇa consciousness does not mean to become lazy. You have to act practically for Kṛṣṇa. That is Kṛṣṇa consciousness. So everything will remain the same. But when it is done in Kṛṣṇa consciousness, that means you are making progress, spiritual realization. And, doing that, if you are so fortunate that always thinking of Kṛṣṇa and dying for Kṛṣṇa, then your life is successful. You at once transferred to Kṛṣṇaloka. This is the process, Kṛṣṇa consciousness."
(Srila Prabhupada Lecture, Boston, May 7, 1968)