Matthew 26:44
And leaving them, he went away again and prayed the third time, saying the same thing.
2 Corinthians 12:8
For this I thrice besought the Lord that it might depart from me.
Daniel 9:17-19
And now, our God, hearken to the prayer of thy servant, and to his supplications, and cause thy face to shine upon thy sanctuary that is desolate, for the Lord's sake.
Matthew 6:7
But when ye pray, use not vain repetitions, as those who are of the nations: for they think they shall be heard through their much speaking.
Luke 18:1
And he spoke also a parable to them to the purport that they should always pray and not faint,