Matthew 16:26

For what benefit is it to a person if he gains the whole world [of material things] but [has to] give up his life [i.e., all the spiritual blessings]? Or what should a person give in exchange for his life?

Mark 8:36-37

For what would it benefit a person to gain the whole world [i.e., of material things] and give up his life [i.e., of spiritual blessings]?

John 6:27

Do not work for the [kind of] food that spoils, but for the kind that lasts until never ending life. The Son of man will give you this [kind of food], for God the Father has placed His seal [of approval] on Him."

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 benefit is it to a person if he gains the whole world [of material things] but [has to] give up his life [i.e., all the spiritual blessings]? Or what should a person give in exchange for his life?
Mark 8:36
For what would it benefit a person to gain the whole world [i.e., of material things] and give up his life [i.e., of spiritual blessings]?
John 6:27
Do not work for the [kind of] food that spoils, but for the kind that lasts until never ending life. The Son of man will give you this [kind of food], for God the Father has placed His seal [of approval] on Him."