Mark 14:38

Watch and pray, that ye enter not into temptation. The spirit indeed is willing, but the flesh weak.

Matthew 26:41

Watch and pray, that ye enter not into temptation: the spirit indeed is ready, but the flesh weak.

Matthew 24:42

Watch therefore, for ye know not in what hour your Lord comes.

Mark 14:34

And he says to them, My soul is full of grief even unto death; abide here and watch.

Luke 21:36

Watch therefore, praying at every season, that ye may be accounted worthy to escape all these things which are about to come to pass, and to stand before the Son of man.

Luke 22:40

And when he was at the place he said to them, Pray that ye enter not into temptation.

Luke 22:46

And he said to them, Why sleep ye? rise up and pray that ye enter not into temptation.

Romans 7:18-25

For I know that in me, that is, in my flesh, good does not dwell: for to will is there with me, but to do right I find not.

Revelation 3:2-3

Be watchful, and strengthen the things that remain, which are about to die, for I have not found thy works complete before my God.

Matthew 6:13

and lead us not into temptation, but save us from evil.

Matthew 25:13

Watch therefore, for ye know not the day nor the hour.

1 Corinthians 16:13

Be vigilant; stand fast in the faith; quit yourselves like men; be strong.

Galatians 5:17

For the flesh lusts against the Spirit, and the Spirit against the flesh: and these things are opposed one to the other, that ye should not do those things which ye desire;

Philippians 2:12

So that, my beloved, even as ye have always obeyed, not as in my presence only, but now much rather in my absence, work out your own salvation with fear and trembling,

1 Peter 5:8

Be vigilant, watch. Your adversary the devil as a roaring lion walks about seeking whom he may devour.

Revelation 3:10

Because thou hast kept the word of my patience, I also will keep thee out of the hour of trial, which is about to come upon the whole habitable world, to try them that dwell upon the earth.

Treasury of Scripture Knowledge

Summary

Watch ye and pray, lest ye enter into temptation. The spirit truly is ready, but the flesh is weak.

General references

Bible References

The spirit

Romans 7:18
For I know that in me, that is, in my flesh, good does not dwell: for to will is there with me, but to do right I find not.
Galatians 5:17
For the flesh lusts against the Spirit, and the Spirit against the flesh: and these things are opposed one to the other, that ye should not do those things which ye desire;
Philippians 2:12
So that, my beloved, even as ye have always obeyed, not as in my presence only, but now much rather in my absence, work out your own salvation with fear and trembling,

General references

Mark 13:33
Take heed, watch and pray, for ye do not know when the time is: