7 Bible Verses about Toiling In Vain

I am in fear of you, lest I have bestowed on you labour in vain.

For what else hath a man, of all the labor that he taketh under the Sun?

For what getteth a man of all the labor and travail of his mind, that he taketh under the Sun,

"Moreover, thus sayeth the LORD of Hosts: The thick wall of Babylon shall be broken, and her proud gates shall be burnt up. And the thing that the Gentiles and the people have wrought with great travail and labour shall come to naught and be consumed in the fire."

They shall sow wheat, and reap thorns. They shall take heritage in possession, but it shall do them no good. And ye shall be confounded of your own winnings, because of the great wrath of the LORD."

There is one man, no more but himself alone, having neither child nor brother: yet is there no end of his careful travail, his eyes cannot be satisfied with riches. Yet, doth he not remember himself, and say, "For whom do I take such travail? For whose pleasure do I thus consume away my life?" This is also a vain and miserable thing.

Shall not the LORD of Hosts bring this to pass, that the laborers of the people shall be burnt with a great fire, and that the thing whereupon the people have wearied themselves, shall be lost?