Adhyāya 55: Pārtha–Rādheya Saṃvāda and Tactical Exchange
Chapter 55
अत्रैव वावरोहैनमेष धर्म: सनातन: । यदि मे प्रथम द्रोण: शरीरे प्रहरिष्यति । ततोडस्य प्रहरिष्यामि नास्थ कोपो भवेदिति
arjuna uvāca | atraiva vāvaroha enam eṣa dharmaḥ sanātanaḥ | yadi me prathamaṃ droṇaḥ śarīre prahariṣyati | tato 'sya prahariṣyāmi nāsya kopo bhaved iti |
アルジュナは言った。「ここで彼を戦車から降ろせ。これこそ永遠の作法である。もし師ドローナが先に我が身を打つなら、そのとき私は矢で応じよう——私が無闇に先手を取ったかのように、師の心に怒りが起こらぬために。」
अजुन उवाच
Even in warfare, one should uphold sanātana-dharma: do not initiate harm against a revered elder/teacher; respond only when attacked, so the act remains defensive and does not become an insult or provocation.
Arjuna states his battle protocol regarding Droṇa: he will not shoot first. Only if Droṇa strikes him first will Arjuna retaliate with arrows, aiming to avoid the appearance of aggression and the consequent anger or moral breach.