Matthew 26:44
And he went away from them again, and a third time said the same prayer.
2 Corinthians 12:8
And about this thing I made request to the Lord three times that it might be taken away from me.
Daniel 9:17-19
And now, give ear, O our God, to the prayer of your servant and to his request for grace, and let your face be shining on your holy place which is made waste, because of your servants, O Lord.
Matthew 6:7
And in your prayer do not make use of the same words again and again, as the Gentiles do: for they have the idea that God will give attention to them because of the number of their words.
Luke 18:1
And he made a story for them, the point of which was that men were to go on making prayer and not get tired;