Matthew 25:3

Those who were taking their lamps, took no oil with them:

Matthew 23:25-26

Wo unto you, scribes and Pharisees, hypocrites! for ye cleanse the outside of the cup, and of the dish, but within they are full of rapacity and intemperance.

2 Timothy 3:5

holding the form of godliness, but denying the power of it: from these men turn with aversion.

Hebrews 12:15

carefully observing lest any of you fail of attaining the grace of God; lest any root of bitterness springing up trouble you, and by it many be defiled;

Revelation 3:1

AND to the angel of the church in Sardis write, These things saith he that hath the seven spirits of God, and the seven stars; I know thy works, and that thou hast a name, as though thou wert alive, yet art dead.

Revelation 3:15-16

I know thy works, that thou art neither cold nor hot:

Treasury of Scripture Knowledge

Summary

They that were foolish took their lamps, and took no oil with them:

Bible References

Foolish

Matthew 23:25
Wo unto you, scribes and Pharisees, hypocrites! for ye cleanse the outside of the cup, and of the dish, but within they are full of rapacity and intemperance.
2 Timothy 3:5
holding the form of godliness, but denying the power of it: from these men turn with aversion.
Hebrews 12:15
carefully observing lest any of you fail of attaining the grace of God; lest any root of bitterness springing up trouble you, and by it many be defiled;
Revelation 3:1
AND to the angel of the church in Sardis write, These things saith he that hath the seven spirits of God, and the seven stars; I know thy works, and that thou hast a name, as though thou wert alive, yet art dead.