CC Madhya 9.100

arjunere kahitechena hita-upadeśa
tāṅre dekhi’ haya mora ānanda-āveśa
Word for word: 
arjunere — unto Arjuna; kahitechena — He is speaking; hita-upadeśa — good instruction; tāṅre — Him; dekhi’ — seeing; haya — there is; mora — my; ānanda — transcendental happiness; āveśa — ecstasy.
Translation: 
“While seeing Lord Kṛṣṇa sitting in a chariot and instructing Arjuna, I am filled with ecstatic happiness.