Luke 18:3

And in that town there was a widow who used to go and appeal to him for 'Justice against my opponent!'

Luke 18:7-8

And will not God see justice done to his elect who cry to him by day and night? Will he be tolerant to their opponents?

Romans 13:3-4

Magistrates are no terror to an honest man, though they are to a bad man. If you want to avoid being alarmed at the government-authorities, lead an honest life and you will be commended for it;

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 will not God see justice done to his elect who cry to him by day and night? Will he be tolerant to their opponents?
Romans 13:3
Magistrates are no terror to an honest man, though they are to a bad man. If you want to avoid being alarmed at the government-authorities, lead an honest life and you will be commended for it;