NASB 1995
"Be on your guard before him and obey his voice; do not be rebellious toward him, for he will not pardon your transgression, since My name is in him.

American Standard Version
Take ye heed before him, and hearken unto his voice; provoke him not; for he will not pardon your transgression: for my name is in him.

Berean Study Bible
Pay attention to him and listen to his voice; do not defy him, for he will not forgive rebellion, since My Name is in him.

Douay-Rheims Bible
Take notice of him, and hear his voice, and do not think him one to be contemned: for he will not forgive when thou hast sinned, and my name is in him.

English Revised Version
Take ye heed of him, and hearken unto his voice; provoke him not: for he will not pardon your transgression; for my name is in him.

King James Bible
Beware of him, and obey his voice, provoke him not; for he will not pardon your transgressions: for my name is in him.

World English Bible
Pay attention to him, and listen to his voice. Don't provoke him, for he will not pardon your disobedience, for my name is in him.

Young's Literal Translation
be watchful because of his presence, and hearken to his voice, rebel not against him, for he beareth not with your transgression, for My name is in his heart;

Exodus 23:21 Additional Translations ...