Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
KJV

2 Esdras 6:16

And why? because the speech of these things trembleth and is moved: for it knoweth that the end of these things must be changed.

Parallel Translations

WEBView canonical →
that the speech is about them. They will tremble and be moved, for they know that their end must be changed.”
World English Bible
GNV1560View canonical →
Therefore while one speaketh of them, it trembleth and is moued: for it knoweth, that it must be changed at the end.
Geneva Bible (1560) Apocrypha