Matthew 16:26

For what would a man be advantaged, though he could gain the whole world, if he should suffer the loss of his soul? or what will a man give as the ransom for his soul?

Mark 8:36-37

For what would it profit a man, though he should gain the whole world, if he be punished with the loss of his own soul?

John 6:27

Labour not for the meat which is perishable, but for that meat which endureth unto life eternal, which the Son of man will give you: for him hath the Father sealed, even God.

Treasury of Scripture Knowledge

Summary

What profit hath a man of all his labour which he taketh under the sun?

Bible References

Profit

Matthew 16:26
For what would a man be advantaged, though he could gain the whole world, if he should suffer the loss of his soul? or what will a man give as the ransom for his soul?
Mark 8:36
For what would it profit a man, though he should gain the whole world, if he be punished with the loss of his own soul?
John 6:27
Labour not for the meat which is perishable, but for that meat which endureth unto life eternal, which the Son of man will give you: for him hath the Father sealed, even God.