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.English Standard Version
Therefore my people shall know my name. Therefore in that day they shall know that it is I who speak; here am I."New International Version
Therefore my people will know my name; therefore in that day they will know that it is I who foretold it. Yes, it is I."