John 6:27

Work for no perishing food, but for that lasting food which means eternal life; the Son of man will give you that, for the Father, God, has certified him."

1 Corinthians 15:58

Well then, my beloved brothers, hold your ground, immovable; abound in work for the Lord at all times, for you may be sure that in the Lord your labour is never thrown away.

Hebrews 6:11-12

It is my heart's desire that each of you would prove equally keen upon realizing your full hope to the very end,

Treasury of Scripture Knowledge

Summary

He becometh poor that dealeth with a slack hand: but the hand of the diligent maketh rich.

Bible References

Becometh

John 6:27
Work for no perishing food, but for that lasting food which means eternal life; the Son of man will give you that, for the Father, God, has certified him."
Hebrews 6:11
It is my heart's desire that each of you would prove equally keen upon realizing your full hope to the very end,

But

1 Corinthians 15:58
Well then, my beloved brothers, hold your ground, immovable; abound in work for the Lord at all times, for you may be sure that in the Lord your labour is never thrown away.