Proverbs 27:1

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

Luke 12:19-20

I will tell my soul, "Soul, you have many goods laid up for many years. Take your ease, eat, drink, be merry."'

James 4:13-16

Come now, you who say, "Today or tomorrow let us go into this city, and spend a year there, trade, and make a profit."

1 Samuel 28:19

Moreover the LORD will deliver Israel also with you into the hand of the Philistines; and tomorrow you and your sons will be with me. The LORD will deliver the army of Israel also into the hand of the Philistines."

Psalm 95:7

for he is our God. We are the people of his pasture, and the sheep in his care. Today, oh that you would hear his voice.

Isaiah 56:12

"Come," say they, "I will get wine, and we will fill ourselves with strong drink; and tomorrow shall be as this day, great beyond measure."

2 Corinthians 6:2

for he says, "At an acceptable time I listened to you, in a 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. We are the people of his pasture, and the sheep in his care. Today, oh that you would hear his voice.
Isaiah 56:12
"Come," say they, "I will get wine, and we will fill ourselves with strong drink; and tomorrow shall be as this day, great beyond measure."
Luke 12:19
I will tell my soul, "Soul, you have many goods laid up for many years. Take your ease, eat, drink, be merry."'
2 Corinthians 6:2
for he says, "At an acceptable time I listened to you, in a 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 let us go into this city, and spend a year there, trade, and make a profit."

Thou

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

General references

Leviticus 8:32
What remains of the flesh and of the bread you shall burn with fire.
Proverbs 3:28
Do not say to your neighbor, "Go, and come again; tomorrow I will give it to you," when you have it by you.
James 4:16
But now you glory in your boasting. All such boasting is evil.