Bhagavad Gita: Chapter 1, Verse 45-46

अहो बत महत्पापं कर्तुं व्यवसिता वयम् ।
यद्राज्यसुखलोभेन हन्तुं स्वजनमुद्यताः ॥ १-४५ ॥

aho bata mahat pāpaṁ kartuṁ vyavasitā vayam
yad rājya-sukha-lobhena hantuṁ sva-janam udyatāḥ 1.45

Alas, how strange it is that we are preparing to commit greatly sinful acts. Driven by the desire to enjoy royal happiness, we are intent on killing our own kinsmen.

यदि मामप्रतीकारमशस्त्रं शस्त्रपाणयः ।
धार्तराष्ट्रा रणे हन्युस्तन्मे क्षेमतरं भवेत् ॥ १-४६ ॥

yadi mām apratīkāram aśastraṁ śastra-pāṇayaḥ
dhārtarāṣṭrā raṇe hanyus tan me kṣema-taraṁ bhavet 1.46

It will be better if, with weapons in hand, the sons of Dhritarashtra kill me unarmed and unresisting on the battlefield.