Some believe the temptation in the Lord's Prayer is the ultimate one - apostasy, or losing your faith. God's role in temptation. Temptation of Jesus shows he can do just this. How God can use temptation. It reveals what is in our hearts.
Temptation is a test of character.
He overcame temptation to disobey. He repented, and so showed that he also desired to please God. He failed his test, but God used it to correct him, as shown in Psalm 51. It clarifies significant issues. My temptations have been my masters in divinity.