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.

1 Corinthians 15:58

Wherefore, my beloved brethren, be stedfast, unmoveable, always abounding in the work of the Lord, knowing that your labour is not in vain in the Lord.

Hebrews 6:11-12

But we earnestly desire that every one of you do manifest the same diligence, in order to obtain the full assurance of hope unto the 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
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.
Hebrews 6:11
But we earnestly desire that every one of you do manifest the same diligence, in order to obtain the full assurance of hope unto the end:

But

1 Corinthians 15:58
Wherefore, my beloved brethren, be stedfast, unmoveable, always abounding in the work of the Lord, knowing that your labour is not in vain in the Lord.