yudhya ca mayy arpita-mano-buddhir mām evaiṣyasy asaḿśayaḥ
At the moment of death if you remember Krsna you will reach home and you will not have to return to this miserable world filled with suffering... hare krsna hare krsna krsna krsna hare hare hare Rama hare Rama rama rama hare hare
Out of 8, 400, 000 species you were given the opportunity to incarnate 1into a human body; when we leave our physical body depending in the choices that we made we can incarnate into another human body in another country with different parents or we incarnate into lower species such as cows and pigs and children and fish etc ...
Therefore, Arjuna, you should always think of Me in the form of Kṛṣṇa and at the same time carry out your prescribed duty of fighting. With your activities dedicated to Me and your mind and intelligence fixed on Me, you will attain Me without doubt. Therefore, Arjuna, you should always think of Me in the form of Kṛṣṇa and at the same time carry out your prescribed duty of fighting. With your activities dedicated to Me and your mind and intelligence fixed on Me, you will attain Me without doubt.
Commentary by Sri A.C. Bhaktivedanta Swami Prabhupada of Gaudiya Sampradaya:
This instruction to Arjuna is very important for all men engaged in material activities. The Lord does not say that one should give up his prescribed duties or engagements. One can continue them and at the same time think of Krishna by chanting Hare Krishna. This will free one from material contamination and engage the mind and intelligence in Krishna. By chanting Krishna’s names, one will be transferred to the supreme planet, Krishnaloka, without a doubt.
Commentary by Sri Vishvanatha Chakravarthi Thakur of Gaudiya Sampradaya: