Colossians 3:23

And whatever you do, work heartily, as for the Lord and not for men;

Romans 12:11

be not slothful in business, be fervent in spirit, serve the Lord,

Matthew 6:33

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

John 4:34

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

John 9:4

I must perform the works of him that sent me, while it is day; night comes when no man can work.

Acts 20:25-31

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

Romans 15:18-20

for I dare not to speak of what Christ has not performed by me for the obedience of the nations, by word and work,

1 Corinthians 9:24

Know you not that those who run in the race all indeed run, but one takes the prize. So run that you may obtain.

1 Corinthians 9:26

I therefore so run, not as uncertainly, and so strike, not as one who beats the air;

1 Corinthians 15:10

but by the grace of God I am what I am, and his grace to me was not in vain, but I labored more abundantly than they all, but not I but the grace of God with me.

1 Corinthians 16:10

If Timothy comes, see that he is with you without fear, for he performs the work of the Lord, as I also do;

Ephesians 5:16

redeeming the time, because the days are evil.

2 Peter 1:12-15

Wherefore I will not neglect always to remind you of these things, although you have known them, and have been established in the present truth.

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 righteousness and his kingdom, and all these things shall be added to you.
John 4:34
Jesus said to them, My food is to do the will of him that sent me, and to finish his work.
Romans 12:11
be not slothful in business, be fervent in spirit, serve the Lord,
Romans 15:18
for I dare not to speak of what Christ has not performed by me for the obedience of the nations, by word and work,
1 Corinthians 9:24
Know you not that those who run in the race all indeed run, but one takes the prize. So run that you may obtain.
1 Corinthians 15:10
but by the grace of God I am what I am, and his grace to me was not in vain, but I labored more abundantly than they all, but not I but the grace of God with me.
1 Corinthians 16:10
If Timothy comes, see that he is with you without fear, for he performs the work of the Lord, as I also do;
Ephesians 5:16
redeeming the time, because the days are evil.
Colossians 3:23
And whatever you do, work heartily, as for the Lord and not for men;
2 Peter 1:12
Wherefore I will not neglect always to remind you of these things, although you have known them, and have been established in the present truth.

For

John 9:4
I must perform the works of him that sent me, while it is day; night comes when no man can work.
Acts 20:25
And now, behold, I know that you all among whom I have gone preaching the kingdom shall see my face no more.