Proverbs 31:18

She sees that her merchandise is good; her lamp does not go out by night.

Genesis 31:40

I was there; in the day the heat consumed me, and the frost by night. And my sleep departed from my eyes.

Psalm 127:2

It is vain for you to rise up early, to sit up late, to eat the bread of sorrows; for so He gives His beloved sleep.

Matthew 25:3-10

The foolish ones took their lamps, but took no oil with them.

1 Thessalonians 2:9

For, brothers, you remember our labor and toil. For laboring night and day in order not to put a burden on any one of you, we preached the gospel of God to you.

2 Thessalonians 3:7-9

For you yourselves know how you ought to follow us. For we did not behave ourselves disorderly among you,

Treasury of Scripture Knowledge

Summary

She perceiveth that her merchandise is good: her candle goeth not out by night.

Bible References

Her candle

Genesis 31:40
I was there; in the day the heat consumed me, and the frost by night. And my sleep departed from my eyes.
Psalm 127:2
It is vain for you to rise up early, to sit up late, to eat the bread of sorrows; for so He gives His beloved sleep.
Matthew 25:3
The foolish ones took their lamps, but took no oil with them.
1 Thessalonians 2:9
For, brothers, you remember our labor and toil. For laboring night and day in order not to put a burden on any one of you, we preached the gospel of God to you.
2 Thessalonians 3:7
For you yourselves know how you ought to follow us. For we did not behave ourselves disorderly among you,