Luke 18:3

And there was a widow in that city, and she came to him, saying, Do me justice on mine adversary.

Luke 18:7-8

And shall not God vindicate his own elect, who cry to him day and night, though he bear long with them?

Romans 13:3-4

For rulers are not a terror to good works, but to evil. Wouldest thou then not be afraid of the power? do that which is good, and thou shalt have praise from it; for he is the servant of God to thee for good.

Treasury of Scripture Knowledge

Summary

And there was a widow in that city; and she came unto him, saying, Avenge me of mine adversary.

Bible References

Avenge

Luke 18:7
And shall not God vindicate his own elect, who cry to him day and night, though he bear long with them?
Romans 13:3
For rulers are not a terror to good works, but to evil. Wouldest thou then not be afraid of the power? do that which is good, and thou shalt have praise from it; for he is the servant of God to thee for good.