Proverbs 27:1

Boast not yourself of tomorrow; for you know not 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; take your ease, eat, drink, and be merry.

James 4:13-16

Come now, you that say, Today or tomorrow we will go into such a city, and continue there a year, and buy and sell, and get gain:

1 Samuel 28:19

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

Isaiah 56:12

Come you, they say, I will bring wine, and we will fill ourselves with strong drink; and tomorrow shall be as this day, and much more abundant.

2 Corinthians 6:2

(For he says, I have heard you in a time accepted, and in the day of salvation have I helped you: behold, now is the accepted 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 will hear his voice,
Isaiah 56:12
Come you, they say, I will bring wine, and we will fill ourselves with strong drink; and tomorrow shall be as this day, and much more abundant.
Luke 12:19
And I will say to my soul, Soul, you have many goods laid up for many years; take your ease, eat, drink, and be merry.
2 Corinthians 6:2
(For he says, I have heard you in a time accepted, and in the day of salvation have I helped you: behold, now is the accepted time; behold, now is the day of salvation.)
James 4:13
Come now, you that say, Today or tomorrow we will go into such a city, and continue there a year, and buy and sell, and get gain:

Thou

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

General references

Leviticus 8:32
And that which remains of the flesh and of the bread shall you burn with fire.
Proverbs 3:28
Say not unto your neighbor, Go, and come again, and tomorrow I will give; when you have it with you.
James 4:16
But now you rejoice in your boastings: all such rejoicing is evil.