Proverbs 31:18

She senses that her gain is good;
Her lamp does not go out at night.

Genesis 31:40

Thus I was: by day the heat consumed me and the frost by night, and my sleep fled from my eyes.

Psalm 127:2

It is vain for you to rise up early,
To retire late,
To eat the bread of painful labors;
For He gives to His beloved even in his sleep.

Matthew 25:3-10

For when the foolish took their lamps, they took no oil with them,

1 Thessalonians 2:9

For you recall, brethren, our labor and hardship, how working night and day so as not to be a burden to any of you, we proclaimed to you the gospel of God.

2 Thessalonians 3:7-9

For you yourselves know how you ought to follow our example, because we did not act in an undisciplined manner 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
Thus I was: by day the heat consumed me and the frost by night, and my sleep fled from my eyes.
Psalm 127:2
It is vain for you to rise up early,
To retire late,
To eat the bread of painful labors;
For He gives to His beloved even in his sleep.
Matthew 25:3
For when the foolish took their lamps, they took no oil with them,
1 Thessalonians 2:9
For you recall, brethren, our labor and hardship, how working night and day so as not to be a burden to any of you, we proclaimed to you the gospel of God.
2 Thessalonians 3:7
For you yourselves know how you ought to follow our example, because we did not act in an undisciplined manner among you,