Drona

The son of Bharadwaja said to Arjuna, 'Accept this superior and irresistible weapon called Brahmasira, along with the methods of using and recalling it. However, you should never use it against a human foe, for if used against someone with inferior energy, it could destroy the entire universe.

मेरा धनंजय के लिए स्नेह अपने पुत्र अश्वत्थामा के लिए मेरे स्नेह से अधिक है। उस हनुमान-ध्वज वीर में (अश्वत्थामा की तुलना में) मेरे प्रति अधिक भक्ति और विनम्रता है।

Victory lies where righteousness is.

As long as I keep fighting, you will never be able to win.

Where there is righteousness, there is Krishna, and where there is Krishna, there is victory.

The illustrious Drona was aware of his son's restlessness. Familiar with all duties, the preceptor gave him this command, saying, "Even when faced with the greatest danger, O child, in the midst of battle, you should never use this weapon, especially against human beings."

You will never be defeated by any enemy, and your accomplishments will be great.

Accept their words, O king. Both Krishna and Bhishma are wise, intelligent, and self-controlled, and they want what is best for you.