Mark 14:39
He went away again and prayed the same prayer as before.
Matthew 6:7
"When you are praying, don't say meaningless things like the unbelievers do, because they think they will be heard by being so wordy.
Matthew 26:42-44
He went away a second time and prayed, "My Father, if this cup cannot go away unless I drink it, let your will be done."
Luke 18:1
Jesus told his disciples a parable about their need to pray all the time and never give up.
2 Corinthians 12:8
I pleaded with the Lord three times to take it away from me,