Ecclesiastes 6:7

All man’s labor is for his stomach,
yet the appetite is never satisfied.

Proverbs 16:26

A worker’s appetite works for him
because his hunger urges him on.

Genesis 3:17-19

And He said to Adam, “Because you listened to your wife’s voice and ate from the tree about which I commanded you, ‘Do not eat from it’:

The ground is cursed because of you.
You will eat from it by means of painful labor
all the days of your life.

Ecclesiastes 5:10

The one who loves money is never satisfied with money, and whoever loves wealth is never satisfied with income. This too is futile.

Ecclesiastes 6:3

A man may father a hundred children and live many years. No matter how long he lives, if he is not satisfied by good things and does not even have a proper burial, I say that a stillborn child is better off than he.

Matthew 6:25

“This is why I tell you: Don’t worry about your life, what you will eat or what you will drink; or about your body, what you will wear. Isn’t life more than food and the body more than clothing?

Luke 12:19

Then I’ll say to myself, “You have many goods stored up for many years. Take it easy; eat, drink, and enjoy yourself.”’

John 6:27

Don’t work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set His seal of approval on Him.”

1 Timothy 6:6-8

But godliness with contentment is a great gain.

Treasury of Scripture Knowledge

Summary

All the labour of man is for his mouth, and yet the appetite is not filled.

Bible References

The labour

Genesis 3:17
And He said to Adam, “Because you listened to your wife’s voice and ate from the tree about which I commanded you, ‘Do not eat from it’:

The ground is cursed because of you.
You will eat from it by means of painful labor
all the days of your life.
Proverbs 16:26
A worker’s appetite works for him
because his hunger urges him on.
Matthew 6:25
“This is why I tell you: Don’t worry about your life, what you will eat or what you will drink; or about your body, what you will wear. Isn’t life more than food and the body more than clothing?
John 6:27
Don’t work for the food that perishes but for the food that lasts for eternal life, which the Son of Man will give you, because God the Father has set His seal of approval on Him.”
1 Timothy 6:6
But godliness with contentment is a great gain.

Appetite

Ecclesiastes 6:3
A man may father a hundred children and live many years. No matter how long he lives, if he is not satisfied by good things and does not even have a proper burial, I say that a stillborn child is better off than he.
Ecclesiastes 5:10
The one who loves money is never satisfied with money, and whoever loves wealth is never satisfied with income. This too is futile.
Luke 12:19
Then I’ll say to myself, “You have many goods stored up for many years. Take it easy; eat, drink, and enjoy yourself.”’

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.