The Standard Dictionary describes indignation as a "feeling involving anger mingled with contempt or disgust".
Nevertheless, Scott cautions that Christians should aim to "....be very circumspect and vigilant to restrain that dangerous passion within the bounds of reason, meekness, piety, and charity; not being angry without cause, or above cause, or in a proud, selfish, and peevish manner."
[4] In John W. Ritenbaugh's comments on Proverbs 15:18 in How to Survive Exile, he argues that it "is alright for us to be righteously indignant as long as we do not sin.
It is vindictiveness when it is seeking out ingeniously and laboriously means and instruments to give pain to those who have thwarted us.
In Exodus 32:10, God was indignant when he learned that his people no longer believed and worshiped him, but turned to idolatry.
For example, Jesus was "angry with the Pharisees for the hardness of their hearts; yet He had no desire to revenge this sin upon them, but had a great compassion for them".