"I 'am' Jehovah, and there is none else, Except Me there is no God, I gird thee, and thou hast not known Me. So that they know from the rising of the sun, And from the west, that there is none besides Me, I 'am' Jehovah, and there is none else."
Read all of Isaiah 45 YLT
Read Isaiah 45:5-6 in another translation