Bhagavad-gītā As It Is · Text 1.31
The fear of family destruction and sin
न च श्रेयोऽनुपश्यामि हत्वा स्वजनमाहवे ।
न काङ्क्षे विजयं कृष्ण न च राज्यं सुखानि च ॥ ३१ ॥
na ca śreyo ’nupaśyāmi
hatvā sva-janam āhave
na kāṅkṣe vijayaṁ kṛṣṇa
na ca rājyaṁ sukhāni ca
I do not see how any good can come from killing my own kinsmen in this battle, nor can I, my dear Kṛṣṇa, desire any subsequent victory, kingdom or happiness.
Read Śrīla Prabhupāda's purport on Vedabase.io