King James Version (KJV)
Strive not with a man without cause, if he have done thee no harm.
Modern English
Do not contend with a man for no reason, when he has done you no harm.
Hebrew
אַל תָּרִ֣יב עִם אָדָ֣ם חִנָּ֑ם אִם לֹ֖א גְמָלְךָ֣ רָעָֽה׃
ʾal tariyb ʿim ʾadam ḥinam ʾim loʾ gmalka raʿah