Luke 21:36

Be on the watch all the time. Pray for the strength to escape all these things in order to stand before the Son of man.

Matthew 26:41

Watch and pray continually that you do not enter into temptation!

Matthew 25:13

Watch therefore, for you do not know the day or the hour.

Mark 13:33

Be awake (beware) (be cautious and active), watch (perceive) and pray, for you do not know the time.

Luke 18:1

He spoke an illustration to them emphasizing the need to pray and not become tired:

1 Corinthians 16:13

Be alert (be watchful) and stand fast (be vigilant) (persevere) in the faith, carry on as men (be courageous), be strong. (Ps 31:24)

1 Peter 5:8

Be sober, be watchful: your adversary the devil, as a roaring lion walks about, seeking whom he may devour (consume).

Job 27:10

Will he find delight in the Almighty? Will he call upon God at all times?

Psalm 1:5

Therefore the wicked will not stand (be upright) in the judgment. The sinners will not stand (endure) in the assembly of the righteous.

Malachi 3:2

Who can endure the day of his coming? Who can stand when he appears? He is like a refiner's fire and like laundry soap (the lye of laundrymen).

Matthew 24:42

Be alert, for you do not know what day the Lord will come.

Mark 13:37

What I say to you I say to all, be on the watch (be vigilant) (stay awake) (be circumspect) (attentive and ready)!

Luke 12:37-40

Those servants are blessed, for the master will find them alert when he comes. I tell you he will tighten his belt, have them sit down at the table, and he will serve them the meal.

Luke 20:35

Those accounted worthy to attain to that age and the resurrection from the dead, neither marry, nor are given in marriage.

Acts 10:2

He was a devout man who respected God with his entire household. He gave many gifts of mercy to the people and prayed to God always.

Ephesians 6:13-14

For that reason, take up the full armor of God, so that you will be able to resist in the evil day, having done everything, to stand firm.

Ephesians 6:18-19

With prayer and supplication pray at all times in the Spirit. Watch with all perseverance and supplication for all the holy ones.

Colossians 4:2

Continue steadfastly in prayer, being vigilant with thanksgiving.

1 Thessalonians 5:17

Pray without ceasing.

2 Thessalonians 1:5-6

All of this proves that God's judgment is just, and as a result, you will become worthy of his Kingdom, for which you are suffering.

2 Timothy 4:5

Be sober in all things, suffer hardship, do the work of an evangelist (preacher of the good news), and fulfill your ministry.

1 Peter 4:7

The end of all things is near. Be of sound mind and judgment. Also be sober for the purpose of prayer.

1 John 2:28

Now, my little children dwell (Greek: meno: stay, dwell, be present) with him. If he shall be made known we may have boldness, and not be ashamed before him at his coming (presence) (being near).

Jude 1:24

Now to him that is able to guard you from stumbling, and to set you before the presence of his glory without blemish 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
He spoke an illustration to them emphasizing the need to pray and not become tired:
Job 27:10
Will he find delight in the Almighty? Will he call upon God at all times?
Acts 10:2
He was a devout man who respected God with his entire household. He gave many gifts of mercy to the people and prayed to God always.
Ephesians 6:18
With prayer and supplication pray at all times in the Spirit. Watch with all perseverance and supplication for all the holy ones.
Colossians 4:2
Continue steadfastly in prayer, being vigilant with thanksgiving.
1 Thessalonians 5:17
Pray without ceasing.

Accounted

Luke 20:35
Those accounted worthy to attain to that age and the resurrection from the dead, neither marry, nor are given in marriage.
2 Thessalonians 1:5
All of this proves that God's judgment is just, and as a result, you will become worthy of his Kingdom, for which you are suffering.

General references

Matthew 25:13
Watch therefore, for you do not know the day or the hour.
Mark 13:33
Be awake (beware) (be cautious and active), watch (perceive) and pray, for you do not know the time.
Luke 12:40
You be ready! The Son of man will come at a time when you do not think he will.
Luke 17:30
It will be similar in the day that the Son of man is revealed.