Luke 12:19-20

And I will say to my soul, Soul, thou hast a multitude of good things in store for many years, be at ease, eat, drink, and be merry!

James 4:13-16

Come now, ye that talk, To-day or to-morrow we will go to such a town, and do business there during one year, and traffic, and make great profits:

2 Corinthians 6:2

for he saith, "In an acceptable time have I heard thee, and in a day of salvation have I succoured thee." 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.

General references

Bible References

Boast

Luke 12:19
And I will say to my soul, Soul, thou hast a multitude of good things in store for many years, be at ease, eat, drink, and be merry!
2 Corinthians 6:2
for he saith, "In an acceptable time have I heard thee, and in a day of salvation have I succoured thee." Behold, now is the accepted time; behold, now is the day of salvation.
James 4:13
Come now, ye that talk, To-day or to-morrow we will go to such a town, and do business there during one year, and traffic, and make great profits:

General references

James 4:16
But now ye glory in your proud boastings: all such glorying is wicked.