ולא תטר
Do not be vindictive
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Laws Relating to Interpersonal Relationships – דרכיה דרכי נועם
Do not be vindictive
Do not seek revenge
Do not embarass your friend
Properly Rebuke your Colleague
The Nazir grows his hair wildly
Rabbi Elazar son of Azarya said, ‘I doubt if anyone in this generation knows how to rebuke’.
Rabbi Akiva says, ‘this is the great principle of the Torah.’