Bhagavad Gita: Chapter 1, Verse 31

निमित्तानि च पश्यामि विपरीतानि केशव ।
न च श्रेयोऽनुपश्यामि हत्वा स्वजनमाहवे ॥ १-३१ ॥

nimittāni cha paśhyāmi viparītāni keśava
na cha śreyo ’nupaśyāmi hatvā sva-janam āhave 1.31

I see Upside Down, My mind is whirling in confusion; O, Kesava! (Killer of the Kesi). I do not see how good can happen to me after killing my own people in this battle.