Proverbs 31:18

She perceiveth that her earning is good; her lamp goeth not out by night.

Genesis 31:40

Thus it was with me: in the day the heat consumed me, and the frost by night; and my sleep fled from mine eyes.

Psalm 127:2

It is vain for you to rise up early, to lie down late, to eat the bread of sorrows: so to his beloved one he giveth sleep.

Matthew 25:3-10

They that were foolish took their torches and did not take oil with them;

1 Thessalonians 2:9

For ye remember, brethren, our labour and toil: working night and day, not to be chargeable to any one of you, we have preached to you the glad tidings of God.

2 Thessalonians 3:7-9

For ye know yourselves how ye ought to imitate us, because we have not walked 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
Thus it was with me: in the day the heat consumed me, and the frost by night; and my sleep fled from mine eyes.
Psalm 127:2
It is vain for you to rise up early, to lie down late, to eat the bread of sorrows: so to his beloved one he giveth sleep.
Matthew 25:3
They that were foolish took their torches and did not take oil with them;
1 Thessalonians 2:9
For ye remember, brethren, our labour and toil: working night and day, not to be chargeable to any one of you, we have preached to you the glad tidings of God.
2 Thessalonians 3:7
For ye know yourselves how ye ought to imitate us, because we have not walked disorderly among you;