Ecclesiastes 6:7

All the toil of man, is for his mouth, - though, even the desire, is not satisfied!

Proverbs 16:26

The appetite of the toiler, hath toiled for him, for his mouth, hath urged him on.

Genesis 3:17-19

And, to the man, he said, Because thou didst hearken to the voice of thy wife, and so didst eat of the tree as to which I commanded thee, saying, Thou shalt not eat of it, Accursed be the ground for thy sake, In pain, shalt thou eat of it, all the days of thy life;

Ecclesiastes 5:10

He that loveth silver, shall not be satisfied with silver nor, he that loveth abundance, with revenue, - -even this, was vanity.

Ecclesiastes 6:3

Though a man should beget a hundred children, and live, many years, so that many should be the days of his years but, his own soul, should not be satisfied with the good, and he should not even have, a burial, I said, Better than he, is an untimely birth!

Matthew 6:25

For this cause, I say unto you: Be not anxious for your life, what ye shall eat or what ye shall drink, - or for your body, what ye shall put on: Is not, the life, more than, the food? And, the body, than, the raiment?

Luke 12:19

and will say to my soul - Soul! thou hast many good things lying by for many years: be taking thy rest, eat, drink,be making merry!

John 6:27

Be working, not for the food that perisheth, but for the food that endureth unto life age-abiding, - which, the Son of Man, unto you, will give; for upon, the same, hath the Father, even God, set his seal.

1 Timothy 6:6-8

Now it is a great means of gain - godliness, with a sufficiency of ones own;

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, to the man, he said, Because thou didst hearken to the voice of thy wife, and so didst eat of the tree as to which I commanded thee, saying, Thou shalt not eat of it, Accursed be the ground for thy sake, In pain, shalt thou eat of it, all the days of thy life;
Proverbs 16:26
The appetite of the toiler, hath toiled for him, for his mouth, hath urged him on.
Matthew 6:25
For this cause, I say unto you: Be not anxious for your life, what ye shall eat or what ye shall drink, - or for your body, what ye shall put on: Is not, the life, more than, the food? And, the body, than, the raiment?
John 6:27
Be working, not for the food that perisheth, but for the food that endureth unto life age-abiding, - which, the Son of Man, unto you, will give; for upon, the same, hath the Father, even God, set his seal.
1 Timothy 6:6
Now it is a great means of gain - godliness, with a sufficiency of ones own;

Appetite

Ecclesiastes 6:3
Though a man should beget a hundred children, and live, many years, so that many should be the days of his years but, his own soul, should not be satisfied with the good, and he should not even have, a burial, I said, Better than he, is an untimely birth!
Ecclesiastes 5:10
He that loveth silver, shall not be satisfied with silver nor, he that loveth abundance, with revenue, - -even this, was vanity.
Luke 12:19
and will say to my soul - Soul! thou hast many good things lying by for many years: be taking thy rest, eat, drink,be making merry!