Proverbs 31:18

She sees that her marketing is of profit to her: her light does not go out by night.

Genesis 31:40

This was my condition, wasted by heat in the day and by the bitter cold at night; and sleep went from my eyes.

Matthew 25:3-10

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

1 Thessalonians 2:9

For you have the memory, my brothers, of our trouble and care; how, working night and day, so that we might not be a trouble to any of you, we gave you the good news of God.

2 Thessalonians 3:7-9

For you yourselves are used to taking us as your example, because our life among you was ruled by order,

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
This was my condition, wasted by heat in the day and by the bitter cold at night; and sleep went from my eyes.
Matthew 25:3
For the foolish, when they took their lights, took no oil with them.
1 Thessalonians 2:9
For you have the memory, my brothers, of our trouble and care; how, working night and day, so that we might not be a trouble to any of you, we gave you the good news of God.
2 Thessalonians 3:7
For you yourselves are used to taking us as your example, because our life among you was ruled by order,

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain