Ramayana
यथेष्टं भुङ्क्ष्व लोकांस्त्रीन्निगृह्यारातिमोजसा । वृथा किं ते श्रमेणेह युद्धमद्य तु निष्फलम् ॥ 7-29-37 ॥
"Enjoy the three worlds at will, having subdued the enemy by your might. Why this toil for you here in vain? This battle now is fruitless."
english translation