Bhagavad Gita 2.4
Arjuna argued: My Lord! How can I, when the battle rages, send an arrow through Bheeshma and Drona, whom I should revere?
अर्जुन उवाच
कथं भीष्ममहं संख्ये द्रोणं च मधुसूदन।
इषुभिः प्रतियोत्स्यामि पूजार्हावरिसूदन॥arjuna uvāca
kathaṃ bhīṣmamahaṃ saṃkhye droṇaṃ ca madhusūdana|
iṣubhiḥ pratiyotsyāmi pūjārhāvarisūdana||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).