Esias 48:19

19 Thy seed also would have been as the sand, and the offspring of thy belly as the dust of the ground: neither now shalt thou by any means be utterly destroyed, neither shall thy name perish before me.

Esias 48:19 In-Context

17 Thus saith the Lord that delivered thee, the Holy One of Israel; I am thy God, I have shewn thee how thou shouldest find the way wherein thou shouldest walk.
18 And if thou hadst hearkened to my commandments, would thy peace have been like a river, and thy righteousness as a wave of the sea.
19 Thy seed also would have been as the sand, and the offspring of thy belly as the dust of the ground: neither now shalt thou by any means be utterly destroyed, neither shall thy name perish before me.
20 Go forth of Babylon, thou that fleest from the Chaldeans: utter aloud a voice of joy, and let this be made known, proclaim it to the end of the earth; say ye, The Lord hath delivered his servant Jacob.
21 And if they shall thirst, he shall lead them through the desert; he shall bring forth water to them out of the rock: the rock shall be cloven, and the water shall flow forth, and my people shall drink.

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