Bhagavad Gita · Chapter 1: Arjuna's Despair
Bhagavad Gita 1.34
आचार्याः पितरः पुत्रास्तथैव च पितामहाः ।
मातुलाः श्वशुराः पौत्राः श्यालाः सम्बन्धिनस्तथा ॥
ācāryāḥ pitaraḥ putrāstathaiva ca pitāmahāḥ | mātulāḥ śvaśurāḥ pautrāḥ śyālāḥ sambandhinastathā ||
teachers, fathers, sons, and grandfathers; maternal uncles, fathers-in-law, grandsons, brothers-in-law, and other kinsmen.
Modern context
He names every relationship a person can have. This is what a civil war is: there are no strangers on the other side. The bitterest conflicts are with those to whom we are most closely tied.