Proverbs 27:1

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

Luke 12:19-20

And I will say to my soul, Soul, you have ample goods laid up for many years; relax, eat, drink, be merry.'

James 4:13-16

Come now, you who say, "Today or tomorrow we will go into such and such a town and spend a year there and trade and make a profit"--

1 Samuel 28:19

Moreover, the LORD will give Israel also with you into the hand of the Philistines, and tomorrow you and your sons shall be with me. The LORD will give the army of Israel also into the hand 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 hear his voice,

Isaiah 56:12

"Come," they say, "let me get wine; let us fill ourselves with strong drink; and tomorrow will be like this day, great beyond measure."

2 Corinthians 6:2

For he says, "In a favorable time I listened to you, and in a day of salvation I have helped you."Behold, now is the favorable 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 hear his voice,
Isaiah 56:12
"Come," they say, "let me get wine; let us fill ourselves with strong drink; and tomorrow will be like this day, great beyond measure."
Luke 12:19
And I will say to my soul, Soul, you have ample goods laid up for many years; relax, eat, drink, be merry.'
2 Corinthians 6:2
For he says, "In a favorable time I listened to you, and in a day of salvation I have helped you."Behold, now is the favorable time; behold, now is the day of salvation.
James 4:13
Come now, you who say, "Today or tomorrow we will go into such and such a town and spend a year there and trade and make a profit"--

Thou

1 Samuel 28:19
Moreover, the LORD will give Israel also with you into the hand of the Philistines, and tomorrow you and your sons shall be with me. The LORD will give the army of Israel also into the hand of the Philistines."

General references

Leviticus 8:32
And what remains of the flesh and the bread you shall burn up with fire.
Proverbs 3:28
Do not say to your neighbor, "Go, and come again, tomorrow I will give it"--when you have it with you.
James 4:16
As it is, you boast in your arrogance. All such boasting is evil.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.