Ben Sira 28:9-19

9 and a sinful man will disturb friends and inject enmity among those who are at peace.
10 In proportion to the fuel for the fire, so will be the burning, and in proportion to the obstinacy of strife will be the burning; in proportion to the strength of the man will be his anger, and in proportion to his wealth he will heighten his wrath.
11 A hasty quarrel kindles fire, and urgent strife sheds blood.
12 If you blow on a spark, it will glow; if you spit on it, it will be put out; and both come out of your mouth.
13 Curse the whisperer and deceiver, for he has destroyed many who were at peace.
14 Slander has shaken many, and scattered them from nation to nation, and destroyed strong cities, and overturned the houses of great men.
15 Slander has driven away courageous women, and deprived them of the fruit of their toil.
16 Whoever pays heed to slander will not find rest, nor will he settle down in peace.
17 The blow of a whip raises a welt, but a blow of the tongue crushes the bones.
18 Many have fallen by the edge of the sword, but not so many as have fallen because of the tongue.
19 Happy is the man who is protected from it, who has not been exposed to its anger, who has not borne its yoke, and has not been bound with its fetters;
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.