Proverbs 27:1

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

Luke 12:19-20

I will say to my self: 'You have many possessions saved for many years. Take it easy and eat, drink and be merry.'

James 4:13-16

Come now, you that say, Today or tomorrow we will go to this city, and spend a year there, and trade, and make profit.

1 Samuel 28:19

He will give you and Israel over to the Philistines. Tomorrow you and your sons will join me. Jehovah will also give the army of Israel over to 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 hear His voice!

Isaiah 56:12

Come, each one cries, let me get wine! Let us drink our fill of beer! And tomorrow will be like today, or even far better.

2 Corinthians 6:2

For he said: 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, and we are the people of his pasture, and the sheep of his hand. Today hear His voice!
Isaiah 56:12
Come, each one cries, let me get wine! Let us drink our fill of beer! And tomorrow will be like today, or even far better.
Luke 12:19
I will say to my self: 'You have many possessions saved for many years. Take it easy and eat, drink and be merry.'
2 Corinthians 6:2
For he said: 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 that say, Today or tomorrow we will go to this city, and spend a year there, and trade, and make profit.

Thou

1 Samuel 28:19
He will give you and Israel over to the Philistines. Tomorrow you and your sons will join me. Jehovah will also give the army of Israel over to the Philistines.

General references

Leviticus 8:32
You must burn all meat or bread that is left over.
Proverbs 3:28
If you can help them now, never tell your neighbors: Wait until tomorrow.
James 4:16
You glory in your conceit. Such glory is evil.