Luke 21:34

"But take heed to yourselves, lest your souls be weighed down with self-indulgence and drunkenness or the anxieties of this life, and that day come upon you, suddenly, like a falling trap;

Mark 4:19

but worldly cares and the deceitfulness of wealth and the excessive pursuit of other objects come in and stifle the Message, and it becomes unfruitful.

Matthew 13:22

He who has received the seed among the thorns is the man who hears the Message, but the cares of the present age and the delusions of riches quite stifle the Message, and it becomes unfruitful.

Luke 12:40

Be you also ready, for at an hour when you are not expecting Him the Son of Man will come."

Luke 12:45-46

But if that servant should say in his heart, 'My Master is a long time in coming,' and should begin to beat the menservants and the maids, and to eat and drink, drinking even to excess;

1 Corinthians 5:11

But what I meant was that you were not to associate with any one bearing the name of "brother," if he was addicted to fornication or avarice or idol-worship or abusive language or hard-drinking or greed of gain. With such a man you ought not even to eat.

1 Corinthians 6:10

nor theives, nor avaricious people, nor any who are addicted to hard drinking, to abusive language or to greed of gain, will inherit God's Kingdom.

Matthew 24:39-50

nor did they realise any danger till the Deluge came and swept them all away; so will it be at the Coming of the Son of Man.

Mark 13:9

"You yourselves must be on your guard. They will deliver you up to Sanhedrins; you will be brought into synagogues and cruelly beaten; and you will stand before governors and kings for my sake, to be witnesses to them for me.

Mark 13:35-37

Be wakeful therefore, for you know not when the master of the house is coming--in the evening, at midnight, at cock-crow, or at dawn.

Luke 8:14

That which fell among the thorns means those who have heard, but as they go on their way, the Message is stifled by the anxieties, wealth and gaieties of time, and they yield nothing in perfection.

Luke 10:41

"Martha, Martha," replied Jesus, "you are anxious and worried about a multitude of things;

Luke 17:3

Be on your guard. "If your brother acts wrongly, reprove him; and if he is sorry, forgive him;

Luke 21:8

"See to it," He replied, "that you are not misled; for many will come assuming my name and professing, 'I am He,' or saying, 'The time is close at hand.' Do not go and follow them.

Romans 13:11-13

Carry out these injunctions because you know the critical period at which we are living, and that it is now high time, to rouse yourselves from sleep; for salvation is now nearer to us than when we first became believers.

Galatians 5:20

enmity, strife, jealousy, outbursts of passion, intrigues, dissensions, factions, envyings;

Philippians 4:6

Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.

1 Thessalonians 5:2-8

For you yourselves know perfectly well that the day of the Lord comes like a thief in the night.

Hebrews 12:15

Be carefully on your guard lest there be any one who falls back from the grace of God; lest any root bearing bitter fruit spring up and cause trouble among you, and through it the whole brotherhood be defiled;

1 Peter 4:3-7

For you have given time enough in the past to the doing of the things which the Gentiles delight in-- pursuing, as you did, a course of habitual licence, debauchery, hard drinking, noisy revelry, drunkenness and unholy image-worship.

2 Peter 3:10

The day of the Lord will come like a thief--it will be a day on which the heavens will pass away with a rushing noise, the elements be destroyed in the fierce heat, and the earth and all the works of man be utterly burnt up.

2 Peter 3:14

Therefore, dear friends, since you have these expectations, earnestly seek to be found in His presence, free from blemish or reproach, in peace.

Revelation 3:3

Be mindful, therefore, of the lessons you have received and heard. Continually lay them to heart, and repent. If, however, you fail to rouse yourself and keep awake, I shall come upon you suddenly like a thief, and you will certainly not know the hour at which I shall come to judge you.

Treasury of Scripture Knowledge

Summary

And take heed to yourselves, lest at any time your hearts be overcharged with surfeiting, and drunkenness, and cares of this life, and so that day come upon you unawares.

Bible References

Your hearts

Luke 12:45
But if that servant should say in his heart, 'My Master is a long time in coming,' and should begin to beat the menservants and the maids, and to eat and drink, drinking even to excess;
Romans 13:11
Carry out these injunctions because you know the critical period at which we are living, and that it is now high time, to rouse yourselves from sleep; for salvation is now nearer to us than when we first became believers.
1 Thessalonians 5:6
So then let us not sleep, like the rest of the world, but let us keep awake and be sober.
1 Peter 4:3
For you have given time enough in the past to the doing of the things which the Gentiles delight in-- pursuing, as you did, a course of habitual licence, debauchery, hard drinking, noisy revelry, drunkenness and unholy image-worship.

Surfeiting

1 Corinthians 5:11
But what I meant was that you were not to associate with any one bearing the name of "brother," if he was addicted to fornication or avarice or idol-worship or abusive language or hard-drinking or greed of gain. With such a man you ought not even to eat.
1 Corinthians 6:10
nor theives, nor avaricious people, nor any who are addicted to hard drinking, to abusive language or to greed of gain, will inherit God's Kingdom.
Galatians 5:20
enmity, strife, jealousy, outbursts of passion, intrigues, dissensions, factions, envyings;

Cares

Luke 8:14
That which fell among the thorns means those who have heard, but as they go on their way, the Message is stifled by the anxieties, wealth and gaieties of time, and they yield nothing in perfection.
Luke 10:41
"Martha, Martha," replied Jesus, "you are anxious and worried about a multitude of things;
Matthew 13:22
He who has received the seed among the thorns is the man who hears the Message, but the cares of the present age and the delusions of riches quite stifle the Message, and it becomes unfruitful.
Mark 4:19
but worldly cares and the deceitfulness of wealth and the excessive pursuit of other objects come in and stifle the Message, and it becomes unfruitful.
Philippians 4:6
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.

That day

Luke 12:46
that servant's Master will come on a day when he is not expecting Him and at an hour that he knows not of, and will punish him severely, and make him share the lot of the unfaithful.
Matthew 24:39
nor did they realise any danger till the Deluge came and swept them all away; so will it be at the Coming of the Son of Man.
Mark 13:35
Be wakeful therefore, for you know not when the master of the house is coming--in the evening, at midnight, at cock-crow, or at dawn.
1 Thessalonians 5:2
For you yourselves know perfectly well that the day of the Lord comes like a thief in the night.
2 Peter 3:10
The day of the Lord will come like a thief--it will be a day on which the heavens will pass away with a rushing noise, the elements be destroyed in the fierce heat, and the earth and all the works of man be utterly burnt up.
Revelation 3:3
Be mindful, therefore, of the lessons you have received and heard. Continually lay them to heart, and repent. If, however, you fail to rouse yourself and keep awake, I shall come upon you suddenly like a thief, and you will certainly not know the hour at which I shall come to judge you.

General references

Mark 4:7
Some, again, falls among the thorns; and the thorns spring up and stifle it, so that it yields no crop.
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.