Luke 18:1-5

And he spake a parable unto them to this end, that men ought always to pray, and not to faint; saying, There was in a city a judge, which feared not God, neither regarded man: and there was a widow in that city; and she came unto him, saying, Avenge me of mine adversary. And he would not for a while: but afterward he said within himself, Though I fear not God, nor regard man; yet because this widow troubleth me, I will avenge her, lest by her continual coming she weary me.