Colossians 3:23

and whatever you do, do it heartily, as serving the Lord, and not men:

Romans 12:11

in business be not slothful, but of an active mind, making the best use of every incident.

Matthew 6:33

but first seek the kingdom of God, and that righteousness which leads to it, and all these things shall be superadded. be not

John 4:34

Jesus said to them, my meat 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: the night is coming, when no man can work.

Acts 20:25-31

and now I am persuaded you will none of you see my face any more: whilst I have been among you, I have proclaim'd the kingdom of the Messias:

Romans 15:18-20

for I will not offer to mention any thing, but what Christ has wrought by me, to make the Gentiles christians, both in profession and practice:

1 Corinthians 9:24

You know, that in a race, tho' all run, but one receives the prize: so run, that you may obtain.

1 Corinthians 9:26

I therefore so run, not as one that is distanc'd: I fight, but not with the air.

1 Corinthians 15:10

it is by the divine favour that I am what I am: and his favour to me was not in vain; no, I laboured more than they all: yet it was not I, it was the divine favour which assisted me.

1 Corinthians 16:10

If Timothy visit you, take care he may be perfectly safe: for he labours in the cause of christianity, as well as I.

Ephesians 5:16

weighing the circumstances of the season, because the times are dangerous.

2 Peter 1:12-15

for this reason I shall never omit to put you in mind of these things, however knowing you are already, and settled in the 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 first seek the kingdom of God, and that righteousness which leads to it, and all these things shall be superadded. be not
John 4:34
Jesus said to them, my meat is to do the will of him that sent me, and to finish his work.
Romans 12:11
in business be not slothful, but of an active mind, making the best use of every incident.
Romans 15:18
for I will not offer to mention any thing, but what Christ has wrought by me, to make the Gentiles christians, both in profession and practice:
1 Corinthians 9:24
You know, that in a race, tho' all run, but one receives the prize: so run, that you may obtain.
1 Corinthians 15:10
it is by the divine favour that I am what I am: and his favour to me was not in vain; no, I laboured more than they all: yet it was not I, it was the divine favour which assisted me.
1 Corinthians 16:10
If Timothy visit you, take care he may be perfectly safe: for he labours in the cause of christianity, as well as I.
Ephesians 5:16
weighing the circumstances of the season, because the times are dangerous.
Colossians 3:23
and whatever you do, do it heartily, as serving the Lord, and not men:
2 Peter 1:12
for this reason I shall never omit to put you in mind of these things, however knowing you are already, and settled in the truth.

For

John 9:4
I must perform the works of him that sent me, while it is day: the night is coming, when no man can work.
Acts 20:25
and now I am persuaded you will none of you see my face any more: whilst I have been among you, I have proclaim'd the kingdom of the Messias: