Colossians 3:23

Whatever you do, do your work heartily, as for the Lord and not for men,

Romans 12:11

Never be lacking in zeal, be fervent in spirit, serving the Lord.

Matthew 6:33

But seek first his kingdom and his righteousness, and all these things shall be given to you as well.

John 4:34

Jesus said to them, "My food is to do the will of him who sent me, and to finish his work.

John 9:4

we must work the works of him who sent me, while it is day. Night is coming, when no one can work.

Acts 20:25-31

And now, behold, I know that all of you among whom I have gone about preaching the kingdom will see my face no more.

Romans 15:18-20

For I will not venture to speak of anything except what Christ has accomplished through me to win obedience from the Gentiles, by word and deed

1 Corinthians 9:24

Do you not know that in a race all the runners run, but only one receives the prize? Run in such a way that you may win.

1 Corinthians 9:26

Therefore I do not run aimlessly. I do not box as a man beating the air.

1 Corinthians 15:10

But by the grace of God I am what I am, and his grace toward me was not in vain. No, I worked harder than all of themyet not I, but the grace of God that was with me.

1 Corinthians 16:10

Now if Timothy comes, see that he is with you with nothing to fear, for he is doing the work of the Lord, just as I am.

Ephesians 5:16

making the most of your time, because the days are evil.

2 Peter 1:12-15

Therefore I will always remind you of these things, even though you know them and are firmly established in the truth you now have.

Treasury of Scripture Knowledge

Summary

Whatsoever thy hand findeth to do, do it with thy might; for there is no work, nor device, nor knowledge, nor wisdom, in the grave, whither thou goest.

Bible References

Thy hand

Matthew 6:33
But seek first his kingdom and his righteousness, and all these things shall be given to you as well.
John 4:34
Jesus said to them, "My food is to do the will of him who sent me, and to finish his work.
Romans 12:11
Never be lacking in zeal, be fervent in spirit, serving the Lord.
Romans 15:18
For I will not venture to speak of anything except what Christ has accomplished through me to win obedience from the Gentiles, by word and deed
1 Corinthians 9:24
Do you not know that in a race all the runners run, but only one receives the prize? Run in such a way that you may win.
1 Corinthians 15:10
But by the grace of God I am what I am, and his grace toward me was not in vain. No, I worked harder than all of themyet not I, but the grace of God that was with me.
1 Corinthians 16:10
Now if Timothy comes, see that he is with you with nothing to fear, for he is doing the work of the Lord, just as I am.
Ephesians 5:16
making the most of your time, because the days are evil.
Colossians 3:23
Whatever you do, do your work heartily, as for the Lord and not for men,
2 Peter 1:12
Therefore I will always remind you of these things, even though you know them and are firmly established in the truth you now have.

For

John 9:4
we must work the works of him who sent me, while it is day. Night is coming, when no one can work.
Acts 20:25
And now, behold, I know that all of you among whom I have gone about preaching the kingdom will see my face no more.