Good News Translation
Nobody takes a proverb seriously when some fool quotes it at the wrong time.

New Revised Standard Version
A proverb from a fool’s lips will be rejected, for he does not tell it at the proper time.

Contemporary English Version
Everyone ignores a proverb repeated by a fool, because fools never choose the right one.

New American Bible
A proverb spoken by a fool is unwelcome, for he does not tell it at the proper time.

Douay-Rheims Bible
The slipping of a false tongue is as one that falleth on the pavement: so the fall of the wicked shall come speedily.

The slipping of a false tongue is as one that falleth on the pavement: so the fall of the wicked shall come speedily.

Sirach 20:18
For they that eat his bread, are of a false tongue. How often, and how many will laugh him to scorn!

Sirach 20:19
For he doth not distribute with right understanding that which was to be had: in like manner also that which was not to be had.

Sirach 20:21
A man without grace is as a vain fable, it shall be continually in the mouth of the unwise.

Sirach 20:22
A parable coming out of a fool's mouth shall be rejected: for he doth not speak it in due season.