John 9:4

We must continue to do the works of Him who sent me while it is daylight. Night is coming when no one can do any work.

John 12:35

Jesus said to them, "Only a little while longer you will have the light. Keep on living by it while you have the light, so that darkness may not overtake you, for whoever walks about in the dark does not know where he is going.

John 4:34

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

Galatians 6:10

So then whenever we have an opportunity, let us practice doing good to everybody, but especially to the members of the family of faith.

Luke 13:32-34

But He said to them: "Go and tell that fox, 'Here I am, driving out demons and performing cures, today and tomorrow, and on the third day I will finish these tasks.

John 5:19

So Jesus answered them: "I most solemnly say to you, the Son can do nothing by Himself, except as He sees the Father doing it, for whatever the Father is in the habit of doing the Son also persists in doing.

John 5:36

But I have testimony that is higher than John's, for the works which my Father has committed to me to finish, the very works that I am doing, testify to me that the Father has sent me;

John 10:32

Jesus answered them, "I have shown you many good deeds from my Father. For which of them are you going to stone me?"

John 10:37

If I am not doing the things that my Father is doing, do not believe me.

John 11:9-10

Jesus answered, "Does not the day have twelve hours? If a man travels in the daytime, he does not stumble, for he can see the light of this world;

John 17:4

I have glorified you down here upon the earth by completing the work which you have given me to do.

Acts 4:20

for we cannot keep from telling what we have seen and heard."

Ephesians 5:16

and continue to make the most of your opportunities, for the times are evil.

Colossians 4:5

Practice living prudently in your relations with outsiders, making the most of your opportunities.

Treasury of Scripture Knowledge

Summary

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

Bible References

Must

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 5:19
So Jesus answered them: "I most solemnly say to you, the Son can do nothing by Himself, except as He sees the Father doing it, for whatever the Father is in the habit of doing the Son also persists in doing.
John 10:32
Jesus answered them, "I have shown you many good deeds from my Father. For which of them are you going to stone me?"
John 17:4
I have glorified you down here upon the earth by completing the work which you have given me to do.
Luke 13:32
But He said to them: "Go and tell that fox, 'Here I am, driving out demons and performing cures, today and tomorrow, and on the third day I will finish these tasks.
Acts 4:20
for we cannot keep from telling what we have seen and heard."

While

John 11:9
Jesus answered, "Does not the day have twelve hours? If a man travels in the daytime, he does not stumble, for he can see the light of this world;
John 12:35
Jesus said to them, "Only a little while longer you will have the light. Keep on living by it while you have the light, so that darkness may not overtake you, for whoever walks about in the dark does not know where he is going.
Ephesians 5:16
and continue to make the most of your opportunities, for the times are evil.
Colossians 4:5
Practice living prudently in your relations with outsiders, making the most of your opportunities.