Then that supreme authority, personified by sound and unseen by eyes, but most wonderful, stopped speaking. Feeling a sense of gratitude, I offered my obeisances unto Him, bowing my head.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
मतिर्मयि निबद्धेयं न विपद्येत कर्हिचित् । प्रजासर्गनिरोधेऽपि स्मृतिश्च मदनुग्रहात्
matirmayi nibaddheyaṃ na vipadyeta karhicit | prajāsarganirodhe'pi smṛtiśca madanugrahāt
SB 1.6.25