Isaiah 49:6

49:6 yes, he says, It is too light a thing that you should be my servant to raise up the tribes of Jacob, and to restore the preserved of Israel: I will also give you for a light to the Gentiles, that you may be my salvation to the end of the earth.
-World English Bible

Other Translation

49:6 And he said, It is a light thing that thou shouldest be my servant to raise up the tribes of Jacob, and to restore the preserved of Israel: I will also give thee for a light to the Gentiles, that thou mayest be my salvation unto the end of the earth.
-King James Version