Luke 22:40 - Prayer Blocks Temptations Road To Sin.

Luke 22:40 (KJV)  And when he was at the place, he said unto
them, Pray that ye enter not into temptation.

Prayerlessness Comes Before A Fall
Temptation is tough. It's a test. It's an enticement to do
wrong. It may involve great pleasure, a chance to escape risk, or
illegitimate gain. Whatever the offering, it's usually attractive.
But Scripture calls giving in to tempting opportunities sin. It
even warns us that repeatedly giving way to temptation can result in
falling away permanently with a total loss of interest in returning to
God (Heb. 6:6-8, according to one interpretation). Clearly we need
God's strength, and wisdom to flee (1 Cor. 6:18; 1 Tim. 6:11).
As Jesus and His closest companions faced great danger, they
were afraid and tired (w. 42-45). Jesus knew how vulnerable and
confused that condition can make a person. He urged His followers to join
Him in prayer so that they would not fall into temptation (v. 40).
They could not face the trials to come without new strength from
God.
Earlier Jesus had taught His followers to ask the Father not to
lead them into temptation (Matt. 6:13). There is no sin in being
tempted. In fact, temptation is a sign that our spiritual lives are
strong enough to recognize values that conflict with godliness. But
giving in is sin. That's why it's crucial to take time to declare to
God our weakness, weariness, and need for help in the midst of
testing.
It may also help to have others pray with us, just as Jesus did
in His hour of need. Do you have others you can turn to for prayer
in times of difficulty? Are you available when others have that
need? [Word In Life SB]

Some mercies are not given to us except in answer to importunate
prayer. Charles H. Spurgeon [Spirit Filled Life Devotional SB]