Matthew 15:22-28
And, behold, a Canaanitish woman, having come forth out of those borders, cried out, saying, "Have mercy on me, O Lord, Son of David; my daughter is grievously vexed 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, going away again, He prayed a third time, saying again the same words.
Luke 11:5-8
And He said to them, "Who 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 exalted overmuch by the exceeding greatness 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 exalted overmuch.