ei murti giya yadi ei sri-vadane
saksi deha yadi--tabe sarva-loka sune"
ei—this; murti—in the form; giya—going; yadi—if; ei—this; sri-vadane—from Your beautiful face; saksi—witness; deha—You give; yadi—if; tabe—then; sarva-loka—all people; sune—will hear.
"Only if You go there in this form of Gopala and speak the words from Your beautiful face will Your testimony be heard by all the people."
Link to this page: https://prabhupadabooks.com/cc/madhya/5/94