Sirach (Ecclesiasticus) 20:16-26 Good News Bible Catholic Edition (GNBDK)

16. Then that fool will say, “Nobody likes me. Nobody appreciates what I do for them. They'll take what I give them, but then talk about me behind my back.”

17. And he's right — he's a constant joke to everyone.

18. A slip of the tongue is worse than a slip on the pavement; the wicked will go to ruin just as suddenly as a person slips and falls.

19. An impolite person is like one of those indecent stories that ignorant people are always telling.

20. Nobody takes a proverb seriously when some fool quotes it at the wrong time.

21. If a person is too poor to afford sin, he can rest without a guilty conscience.

22. You can lose all your self-respect by being reluctant to speak up in the presence of stupidity.

23. If you promise a friend something because you are too bashful to say no, you're making an enemy needlessly.

24. Lying is an ugly blot on a person's character, but ignorant people do it all the time.

25. A thief is better than a habitual liar, but both are headed for ruin.

26. A liar has no honour. He lives in constant disgrace.

Sirach (Ecclesiasticus) 20