James 4:13-15
Come now, you who say, “Today or tomorrow we will go to this or that city, spend a year there, carry on business, and make a profit.” / You do not even know what will happen tomorrow! What is your life? You are a mist that appears for a little while and then vanishes. / Instead, you ought to say, “If the Lord is willing, we will live and do this or that.”

Luke 12:16-21
Then He told them a parable: “The ground of a certain rich man produced an abundance. / So he thought to himself, ‘What shall I do, since I have nowhere to store my crops?’ / Then he said, ‘This is what I will do: I will tear down my barns and will build bigger ones, and there I will store up all my grain and my goods. ...

Matthew 6:34
Therefore do not worry about tomorrow, for tomorrow will worry about itself. Today has enough trouble of its own.

Ecclesiastes 9:12
For surely no man knows his time: Like fish caught in a cruel net or birds trapped in a snare, so men are ensnared in an evil time that suddenly falls upon them.

Job 7:6-7
My days are swifter than a weaver’s shuttle; they come to an end without hope. / Remember that my life is but a breath. My eyes will never again see happiness.

Isaiah 56:12
“Come, let me get the wine, let us imbibe the strong drink, and tomorrow will be like today, only far better!”

Psalm 39:5-6
You, indeed, have made my days as handbreadths, and my lifetime as nothing before You. Truly each man at his best exists as but a breath. Selah / Surely every man goes about like a phantom; surely he bustles in vain; he heaps up riches not knowing who will haul them away.

Psalm 90:12
So teach us to number our days, that we may present a heart of wisdom.

Ecclesiastes 7:14
In the day of prosperity, be joyful, but in the day of adversity, consider this: God has made one of these along with the other, so that a man cannot discover anything that will come after him.

1 Corinthians 15:32
If I fought wild beasts in Ephesus for human motives, what did I gain? If the dead are not raised, “Let us eat and drink, for tomorrow we die.”

Isaiah 47:7-8
You said, ‘I will be queen forever.’ You did not take these things to heart or consider their outcome. / So now hear this, O lover of luxury who sits securely, who says to herself, ‘I am, and there is none besides me. I will never be a widow or know the loss of children.’

1 Samuel 20:3
But David again vowed, “Your father knows very well that I have found favor in your eyes, and he has said, ‘Jonathan must not know of this, or he will be grieved.’ As surely as the LORD lives and as you yourself live, there is but a step between me and death.”

Psalm 49:11-13
Their graves are their eternal homes—their dwellings for endless generations—even though their lands were their namesakes. / But a man, despite his wealth, cannot endure; he is like the beasts that perish. / This is the fate of the foolish and their followers who endorse their sayings. Selah

Luke 9:25
What does it profit a man to gain the whole world, yet lose or forfeit his very self?

2 Corinthians 6:2
For He says: “In the time of favor I heard you, and in the day of salvation I helped you.” Behold, now is the time of favor; now is the day of salvation!