Baruch 2:30

30 For I knew that they would not hear me, because it is a stiffnecked people: but in the land of their captivities they shall remember themselves.

Baruch 2:30 In-Context

28 As thou spakest by thy servant Moses in the day when thou didst command him to write the law before the children of Israel, saying,
29 If ye will not hear my voice, surely this very great multitude shall be turned into a small number among the nations, where I will scatter them.
30 For I knew that they would not hear me, because it is a stiffnecked people: but in the land of their captivities they shall remember themselves.
31 And shall know that I am the Lord their God: for I will give them an heart, and ears to hear:
32 And they shall praise me in the land of their captivity, and think upon my name,

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