Ramayana
न हन्तव्यो गुरुर्ज्येष्ठो मया ऽयमिति मन्यते । तस्य त्विदानीं श्रुत्वा मे वाक्यमेषा कृता मतिः ॥ 7-13-38 ॥
"He thinks, 'This one is my elder, my superior, and must not be slain by me.' But now, having heard my words concerning him, this resolve has been formed."
english translation