Matthew 15:22-28
And, lo! a woman of Canaan came out from those borders, and cried out, saying, Have compassion on me, Lord, Son of David! My daughter is grievously afflicted with a demon.
Matthew 26:41
Watch, and pray that ye enter not into temptation; the spirit indeed is willing, but the flesh is weak.
Matthew 26:44
And leaving them, he went away again, and prayed the third time, saying again the same words.
Luke 11:5-8
And he said to them, Which of you shall have a friend, and shall go to him at midnight, and say to him Friend, lend me three loaves;
2 Corinthians 12:7-9
And that I might not be too much lifted up by the abundance of the revelations, there was given to me a thorn in the flesh, a messenger of Satan, to buffet me, that I might not be too much lifted up.