Isaiah 52:6 in the King James Version
Therefore my people shall know my name: therefore they shall know in that day that I am he that doth speak: behold, it is I.
Context
5 “Now therefore, what do I do here,” says the LORD, “seeing that my people are taken away for nothing? Those who rule over them mock,” says the LORD, “and my name is blasphemed continually all day long.
6 Therefore my people shall know my name. Therefore they shall know in that day that I am he who speaks. Behold, it is I.”
7 How beautiful on the mountains are the feet of him who brings good news, who publishes peace, who brings good news, who proclaims salvation, who says to Zion, “Your God reigns!”