GOD'S WORD® Translation
Don't take everything that people say to heart, or you may hear your own servant cursing you.

American Standard Version
Also take not heed unto all words that are spoken, lest thou hear thy servant curse thee;

Berean Study Bible
Do not pay attention to every word that is spoken, or you may hear your servant cursing you.

Douay-Rheims Bible
But do not apply thy heart to all words that are spoken: lest perhaps thou hear thy servant reviling thee.

English Revised Version
Also take not heed unto all words that are spoken; lest thou hear thy servant curse thee:

King James Bible
Also take no heed unto all words that are spoken; lest thou hear thy servant curse thee:

World English Bible
Also don't take heed to all words that are spoken, lest you hear your servant curse you;

Young's Literal Translation
Also to all the words that they speak give not thy heart, that thou hear not thy servant reviling thee.

Ecclesiastes 7:21 Additional Translations ...