Bhagavad Gita 11.41
सखेति मत्वा प्रसभं यदुक्तं हे कृष्ण हे यादव हे सखेति। अजानता महिमानं तवेदं मया प्रमादात्प्रणयेन वापि।।11.41।।
sakheti matvā prasabhaṃ yaduktaṃ he kṛṣṇa he yādava he sakheti| ajānatā mahimānaṃ tavedaṃ mayā pramādātpraṇayena vāpi||11.41||
sakheti matva prasabham yaduktam he krishna he yadava he sakheti ajanata mahimanam tavedam maya pramadatpranayena vapi11.41
Meaning
Whatever I may have said presumptuously, calling You 'O Krishna,' 'O Yadava,' 'O friend,' regarding You merely as a friend, unknowing of Your greatness...
हे भगवन्! आपको सखा मानकर आपकी इस महिमा को न जानते हुए मेरे द्वारा प्रमाद से अथवा प्रेम से भी "हे कृष्ण! हे यादव! हे सखे!" इस प्रकार जो कुछ बलात् कहा गया है।
This is verse 41 of 55 in Chapter 11 (Vishwaroopa Darshana Yoga) of the Bhagavad Gita.