Bhagavad Gita 2.5
Rather, I would be content with a beggar's crust than to kill these teachers of mine, these precious noble souls! To slay these masters who are my benefactors would be to stain the sweetness of life's pleasures with their blood.
गुरूनहत्वा हि महानुभावान्
श्रेयो भोक्तुं भैक्ष्यमपीह लोके।
हत्वार्थकामांस्तु गुरूनिहैव
भुञ्जीय भोगान् रुधिरप्रदिग्धान्॥gurūnahatvā hi mahānubhāvān
śreyo bhoktuṃ bhaikṣyamapīha loke|
hatvārthakāmāṃstu gurūnihaiva
bhuñjīya bhogān rudhirapradigdhān||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).