Cross reference
Mark 14:39
39 And again he went away, and prayed, and spake the same words.
Matthew 6:7
7 But when ye pray, use not vain repetitions, as the heathen do: for they think that they shall be heard for their much speaking.
Matthew 26:42-44
42 He went away again the second time, and prayed, saying, O my Father, if this cup may not pass away from me, except I drink it, thy will be done.
43 And he came and found them asleep again: for their eyes were heavy.
44 And he left them, and went away again, and prayed the third time, saying the same words.
Luke 18:1
1 And he spake a parable unto them to this end, that men ought always to pray, and not to faint;
2 Corinthians 12:8
8 For this thing I besought the Lord thrice, that it might depart from me.