Matthew 26:44
So leaving them again, he went away and prayed for the third time, saying the same thing once more.
2 Corinthians 12:8
I asked the Lord three times about this, that it would depart from me.
Daniel 9:17-19
"So now, our God, accept the prayer and requests of your servant, and show favor to your devastated sanctuary for your own sake.
Matthew 6:7
When you pray, do not babble repetitiously like the Gentiles, because they think that by their many words they will be heard.
Luke 18:1
Then Jesus told them a parable to show them they should always pray and not lose heart.