Proverbs 27:1

Do not boast about tomorrow,
For you do not know what a day may bring forth.

Luke 12:19-20

And I will say to my soul, “Soul, you have many goods laid up for many years to come; take your ease, eat, drink and be merry.”’

James 4:13-16

Come now, you who say, “Today or tomorrow we will go to such and such a city, and spend a year there and engage in business and make a profit.”

1 Samuel 28:19

Moreover the Lord will also give over Israel along with you into the hands of the Philistines, therefore tomorrow you and your sons will be with me. Indeed the Lord will give over the army of Israel into the hands of the Philistines!”

Psalm 95:7

For He is our God,
And we are the people of His pasture and the sheep of His hand.
Today, if you would hear His voice,

Isaiah 56:12

“Come,” they say, “let us get wine, and let us drink heavily of strong drink;
And tomorrow will be like today, only more so.”

2 Corinthians 6:2

for He says,
At the acceptable time I listened to you,
And on the day of salvation I helped you.”
Behold, now is “the acceptable time,” behold, now is “the day of salvation”—

Treasury of Scripture Knowledge

Summary

Boast not thyself of to morrow; for thou knowest not what a day may bring forth.

Bible References

Boast

Psalm 95:7
For He is our God,
And we are the people of His pasture and the sheep of His hand.
Today, if you would hear His voice,
Isaiah 56:12
“Come,” they say, “let us get wine, and let us drink heavily of strong drink;
And tomorrow will be like today, only more so.”
Luke 12:19
And I will say to my soul, “Soul, you have many goods laid up for many years to come; take your ease, eat, drink and be merry.”’
2 Corinthians 6:2
for He says,
At the acceptable time I listened to you,
And on the day of salvation I helped you.”
Behold, now is “the acceptable time,” behold, now is “the day of salvation”—
James 4:13
Come now, you who say, “Today or tomorrow we will go to such and such a city, and spend a year there and engage in business and make a profit.”

Thou

1 Samuel 28:19
Moreover the Lord will also give over Israel along with you into the hands of the Philistines, therefore tomorrow you and your sons will be with me. Indeed the Lord will give over the army of Israel into the hands of the Philistines!”

General references

Leviticus 8:32
The remainder of the flesh and of the bread you shall burn in the fire.
Proverbs 3:28
Do not say to your neighbor, “Go, and come back,
And tomorrow I will give it,”
When you have it with you.
James 4:16
But as it is, you boast in your arrogance; all such boasting is evil.