Luke 21:36

But watch at all times, and pray that ye may be able to escape all the things that are about to come to pass, and to stand before the Son of man.

Matthew 26:41

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

Matthew 25:13

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

Mark 13:33

Take heed, watch; for ye know not when the time is.

Luke 18:1

And he spoke a parable to them to show that they ought to pray always, and not be fainthearted:

1 Corinthians 16:13

Watch, stand fast in the faith, quit you like men, be strong;

1 Peter 5:8

Be sober, be watchful. Your adversary the Devil, as a roaring lion, walketh about, seeking whom he may devour;

Matthew 24:42

Watch, therefore, for ye know not on what day your Lord is coming.

Mark 13:37

And what I say to you, I say to all: Watch.

Luke 12:37-40

Happy are those servants, whom their lord when he cometh shall find watching; truly do I say to you, that he will gird himself, and place them at table, and will come and wait on them.

Luke 20:35

but they who have been accounted worthy to obtain that world, and the resurrection from the dead, neither marry, nor are given in marriage;

Acts 10:2

a devout man, and one that feared God with all his house, giving much alms to the people, and praying to God always,

Ephesians 6:13-14

Wherefore take up the whole armor of God, that ye may be able to withstand in the evil day, and having done all, to stand.

Ephesians 6:18-19

praying with all prayer and entreaty at all times in the Spirit; and watching to this end with all perseverance and entreaty for all the saints,

Colossians 4:2

Persevere in prayer, being watchful therein with thanksgiving;

1 Thessalonians 5:17

Pray without ceasing;

2 Thessalonians 1:5-6

an indication of the righteous judgment of God, by which ye will be counted worthy of the kingdom of God, for which ye are also suffering;

2 Timothy 4:5

But be thou watchful in all things, endure hardship, do the work of an evangelist, fully accomplish thy ministry.

1 Peter 4:7

But the end of all things is at hand; be ye therefore sober, and watch unto prayer.

1 John 2:28

And now, my children, abide in him; that when he shall appear, we may have confidence, and not be ashamed before him at his coming.

Jude 1:24

But to him that is able to keep them from falling, and to present them faultless before the presence of his glory with exceeding joy,

Treasury of Scripture Knowledge

Summary

Watch ye therefore, and pray always, that ye may be accounted worthy to escape all these things that shall come to pass, and to stand before the Son of man.

Bible References

Pray

Luke 18:1
And he spoke a parable to them to show that they ought to pray always, and not be fainthearted:
Acts 10:2
a devout man, and one that feared God with all his house, giving much alms to the people, and praying to God always,
Ephesians 6:18
praying with all prayer and entreaty at all times in the Spirit; and watching to this end with all perseverance and entreaty for all the saints,
Colossians 4:2
Persevere in prayer, being watchful therein with thanksgiving;
1 Thessalonians 5:17
Pray without ceasing;

Accounted

Luke 20:35
but they who have been accounted worthy to obtain that world, and the resurrection from the dead, neither marry, nor are given in marriage;
2 Thessalonians 1:5
an indication of the righteous judgment of God, by which ye will be counted worthy of the kingdom of God, for which ye are also suffering;

General references

Matthew 25:13
Watch, therefore, for ye know not the day nor the hour.
Mark 13:33
Take heed, watch; for ye know not when the time is.
Luke 12:40
Be ye also ready; for at an hour when ye think not the Son of man cometh.
Luke 17:30
Thus will it be in the day when the Son of man is revealed.