Mark 14:39

Again he went away and prayed in the same words as before;

Matthew 6:7

Do not pray by idle rote like pagans, for they suppose they will be heard the more they say;

Matthew 26:42-44

Again he went away for the second time and prayed, "My Father, if this cup cannot pass unless I drink it, thy will be done."

Luke 18:1

He also told them a parable about the need of always praying and never losing heart.

2 Corinthians 12:8

three times over I prayed the Lord to make it leave me,

Treasury of Scripture Knowledge

Summary

And again he went away, and prayed, and spake the same words.

Bible References

He went

Matthew 6:7
Do not pray by idle rote like pagans, for they suppose they will be heard the more they say;
Matthew 26:42
Again he went away for the second time and prayed, "My Father, if this cup cannot pass unless I drink it, thy will be done."
Luke 18:1
He also told them a parable about the need of always praying and never losing heart.
2 Corinthians 12:8
three times over I prayed the Lord to make it leave me,