Luke 21:36

But beware of slumbering; and every moment pray that you may be fully strengthened to escape from all these coming evils, and to take your stand in the presence of the Son of Man."

Matthew 26:41

Keep awake, and pray that you may not enter into temptation: the spirit is right willing, but the body is frail."

Matthew 25:13

"Keep awake therefore; for you know neither the day nor the hour.

Mark 13:33

Take care, be on the alert, and pray; for you do not know when it will happen.

Luke 18:1

He also taught them by a parable that they must always pray and never lose heart.

1 Corinthians 16:13

Be on the alert; stand firm in the faith; acquit yourselves like men; be strong.

1 Peter 5:8

Curb every passion, and be on the alert. Your great accuser, the Devil, is going about like a roaring lion to see whom he can devour.

Matthew 24:42

Be on the alert therefore, for you do not know the day on which your Lord is coming.

Mark 13:37

Moreover, what I say to you I say to all--Be wakeful!"

Luke 12:37-40

Blessed are those servants, whom their Master when He comes shall find on the watch. I tell you in solemn truth, that He will tie an apron round Him, and will bid them recline at table while He comes and waits on them.

Luke 20:35

But as for those who shall have been deemed worthy to find a place in that other age and in the Resurrection from among the dead, the men do not marry and the women are not given in marriage.

Acts 10:2

He was religious and God-fearing--and so was every member of his household. He was also liberal in his charities to the people, and continually offered prayer to God.

Ephesians 6:13-14

Therefore put on the complete armour of God, so that you may be able to stand your ground on the day of battle, and, having fought to the end, to remain victors on the field.

Ephesians 6:18-19

Pray with unceasing prayer and entreaty on every fitting occasion in the Spirit, and be always on the alert to seize opportunities for doing so, with unwearied persistence and entreaty on behalf of all God's people,

Colossians 4:2

Be earnest and unwearied in prayer, being on the alert in it and in your giving of thanks.

1 Thessalonians 5:17

Be unceasing in prayer.

2 Thessalonians 1:5-6

For these are a plain token of God's righteous judgement, which has in view your being deemed worthy of admission to God's Kingdom, for the sake of which, indeed, you are sufferers.

2 Timothy 4:5

But as for you, you must exercise habitual self-control, and not live a self-indulgent life, but do the duty of an evangelist and fully discharge the obligations of your office.

1 Peter 4:7

But the end of all things is now close at hand: therefore be sober-minded and temperate, so that you may give yourselves to prayer.

1 John 2:28

And now, dear children, continue in union with Him; so that, if He re-appears, we may have perfect confidence, and may not shrink away in shame from His presence at His Coming.

Jude 1:24

But to Him who is able to keep you safe from stumbling, and cause you to stand in the presence of His glory free from blemish and full of exultant 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
He also taught them by a parable that they must always pray and never lose heart.
Acts 10:2
He was religious and God-fearing--and so was every member of his household. He was also liberal in his charities to the people, and continually offered prayer to God.
Ephesians 6:18
Pray with unceasing prayer and entreaty on every fitting occasion in the Spirit, and be always on the alert to seize opportunities for doing so, with unwearied persistence and entreaty on behalf of all God's people,
Colossians 4:2
Be earnest and unwearied in prayer, being on the alert in it and in your giving of thanks.
1 Thessalonians 5:17
Be unceasing in prayer.

Accounted

Luke 20:35
But as for those who shall have been deemed worthy to find a place in that other age and in the Resurrection from among the dead, the men do not marry and the women are not given in marriage.
2 Thessalonians 1:5
For these are a plain token of God's righteous judgement, which has in view your being deemed worthy of admission to God's Kingdom, for the sake of which, indeed, you are sufferers.

General references

Matthew 25:13
"Keep awake therefore; for you know neither the day nor the hour.
Mark 13:33
Take care, be on the alert, and pray; for you do not know when it will happen.
Luke 12:40
Be you also ready, for at an hour when you are not expecting Him the Son of Man will come."
Luke 17:30
Exactly so will it be on the day that the veil is lifted from the Son of Man.