Bhagavad Gita Chapter 1.31
na ca śreyo ‘nupaśyāmi
hatvā sva-janam āhave
na kāńkṣe vijayaḿ kṛṣṇa
na ca rājyaḿ sukhāni ca
Translation
I do not see how any good can come from killing my own kinsmen in this battle, nor can I, my dear Krishna, desire any subsequent victory, kingdom, or happiness.