Mark 14:38

Be watching and praying, that ye enter not into temptation: the, spirit, indeed, is willing, but, the flesh, weak.

Matthew 26:41

Be watching and praying, that ye may not enter into temptation: The spirit, indeed, is, eager, but, the flesh, weak.

Matthew 24:42

Be watching, therefore, for ye know not, on what manner of day, your Lord is coming.

Mark 14:34

and he saith unto them - Encompassed with grief is my soul, unto death: Abide ye here, and be watching.

Luke 21:36

But be watching in every season, making supplication, that ye may gain full vigour, to escape all these things that are about to be coming to pass, and to stand before the Son of Man.

Luke 22:40

And, coming up to the place, he said unto them - Be praying, lest ye enter into temptation.

Luke 22:46

and he said unto them - Why are ye slumbering? Arise! and be praying, lest ye enter into temptation.

Romans 7:18-25

I know, in fact, that there dwelleth not in me, that is, in my flesh, anything good; for, the wishing, lieth near me, but, the working out of what is right, not!

Revelation 3:2-3

Become thou watchful, and strengthen the things that remain, that were about to die; for I have not found thy works fulfilled before my God.

Matthew 6:13

And bring us not into temptation, but rescue us from the evil one.

Matthew 25:13

Be watching, therefore, because ye know, neither the day nor the hour.

1 Corinthians 16:13

Be on the watch, stand firm in the faith, be men - be strong;

Galatians 5:17

For, the flesh, coveted against the Spirit, but, the Spirit, against the flesh, - for, these, unto one another, are opposed, lest, whatsoever things ye chance to desire, these, ye should be doing!

Philippians 2:12

So, then, my beloved - even as ye have always obeyed, not asin my presence only, but, now, much more, in my absence, with fear and trembling, your own salvation, be working out;

1 Peter 5:8

Be sober! be watchful! Your slanderous adversary, as a roaring lion, is walking about - seeking to devour:

Revelation 3:10

Because thou didst keep my word of endurance, 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
I know, in fact, that there dwelleth not in me, that is, in my flesh, anything good; for, the wishing, lieth near me, but, the working out of what is right, not!
Galatians 5:17
For, the flesh, coveted against the Spirit, but, the Spirit, against the flesh, - for, these, unto one another, are opposed, lest, whatsoever things ye chance to desire, these, ye should be doing!
Philippians 2:12
So, then, my beloved - even as ye have always obeyed, not asin my presence only, but, now, much more, in my absence, with fear and trembling, your own salvation, be working out;

General references

Mark 13:33
Be taking heed, be watching, for ye know not, when, the season is: -