Ecclesiastes 6:7

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

Proverbs 16:26

He that labors labors for himself; for his mouth craves it of him.

Genesis 3:17-19

And unto Adam he said, Because you have listened unto the voice of your wife, and have eaten of the tree, of which I commanded you, saying, You shall not eat of it: cursed is the ground for your sake; in sorrow shall you eat of it all the days of your life;

Ecclesiastes 5:10

He that loves silver shall not be satisfied with silver; nor he that loves abundance, with increase: this is also vanity.

Ecclesiastes 6:3

If a man begets a hundred children, and lives many years, so that the days of his years are many, and his soul is not filled with good, and also that he has no burial; I say, that a stillborn birth is better than he.

Matthew 6:25

Therefore I say unto you, Take no thought for your life, what you shall eat, or what you shall drink; nor yet for your body, what you shall put on. Is not life more than food, and the body than clothing?

Luke 12:19

And I will say to my soul, Soul, you have many goods laid up for many years; take your ease, eat, drink, and be merry.

John 6:27

Labor not for the food which perishes, but for that food which endures unto everlasting life, which the Son of man shall give unto you: for on him has God the Father set his seal.

1 Timothy 6:6-8

But godliness with contentment is 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 unto Adam he said, Because you have listened unto the voice of your wife, and have eaten of the tree, of which I commanded you, saying, You shall not eat of it: cursed is the ground for your sake; in sorrow shall you eat of it all the days of your life;
Proverbs 16:26
He that labors labors for himself; for his mouth craves it of him.
Matthew 6:25
Therefore I say unto you, Take no thought for your life, what you shall eat, or what you shall drink; nor yet for your body, what you shall put on. Is not life more than food, and the body than clothing?
John 6:27
Labor not for the food which perishes, but for that food which endures unto everlasting life, which the Son of man shall give unto you: for on him has God the Father set his seal.
1 Timothy 6:6
But godliness with contentment is great gain.

Appetite

Ecclesiastes 6:3
If a man begets a hundred children, and lives many years, so that the days of his years are many, and his soul is not filled with good, and also that he has no burial; I say, that a stillborn birth is better than he.
Ecclesiastes 5:10
He that loves silver shall not be satisfied with silver; nor he that loves abundance, with increase: this is also vanity.
Luke 12:19
And I will say to my soul, Soul, you have many goods laid up for many years; take your ease, eat, drink, and be merry.