Do not say, “I will do to him as he has done to me; I will pay the man back for what he has done.”
We are here forbidden to be in any thing injurious to our neighbour, particularly in and by the forms of law, either, 1. As a witness: "Never bear a testimony against any man without cause, unless what thou sayest thou knowest to be punctually true and thou hast a clear call to testify it.
Commenting on Proverbs 24:28-29
And, lo, it was all grown over with thorns,.... Or "thistles" (y); which grow up of themselves, are the fruit of the curse, and the effect of slothfulness; and nettles had covered the face thereof; so that nothing was to be seen but thorns and thistles, nettles and weeds; and such is the case of the souls of men when neglected, and no concern is...
Especially avoid retaliation (Mat 5:43-45; Rom 12:17).