Sirach 28:14

14 A backbiting tongue hath disquieted many, and driven them from nation to nation: strong cities hath it pulled down, and overthrown the houses of great men.

Sirach 28:14 In-Context

12 If thou blow the spark, it shall burn: if thou spit upon it, it shall be quenched: and both these come out of thy mouth.
13 Curse the whisperer and doubletongued: for such have destroyed many that were at peace.
14 A backbiting tongue hath disquieted many, and driven them from nation to nation: strong cities hath it pulled down, and overthrown the houses of great men.
15 A backbiting tongue hath cast out virtuous women, and deprived them of their labours.
16 Whoso hearkeneth unto it shall never find rest, and never dwell quietly.

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