Esias 52:15

15 Thus shall many nations wonder at him; and kings shall keep their mouths shut: for they to whom no report was brought concerning him, shall see; and they who have not heard, shall consider.

Esias 52:15 In-Context

13 Behold, my servant shall understand, and be exalted, and glorified exceedingly.
14 As many shall be amazed at thee, so shall thy face be without glory from men, and thy glory by the sons of men.
15 Thus shall many nations wonder at him; and kings shall keep their mouths shut: for they to whom no report was brought concerning him, shall see; and they who have not heard, shall consider.

The Brenton translation of the Septuagint is in the public domain.