Read Exodus 23:21 Using Other Translations
Beware of him, and obey his voice, provoke him not; for he will not pardon your transgressions: for my name is in him.
Pay careful attention to him and obey his voice; do not rebel against him, for he will not pardon your transgression, for my name is in him
Pay close attention to him, and obey his instructions. Do not rebel against him, for he is my representative, and he will not forgive your rebellion.