kim idaṁ svit kuto veti
deva-deva na vedmy aham
sarvato mukham āyāti
tejaḥ parama-dāruṇam
kim - what is; idam - this; svit - does it come; kutaḥ - wherefrom; vā iti - be either; deva-deva - O Lord of lords; na - not; vedmi - do I know; aham - I; sarvataḥ - all around; mukham - directions; āyāti - coming from; tejaḥ - effulgence; parama - very much; dāruṇam - dangerous.
Anything that is presented before the Personality of Godhead should be so done after due presentation of respectful prayers. That is the standard procedure, and Śrī Arjuna, although an intimate friend of the Lord, is observing this method for general information.