John 9:4

We must carry on the work of him who has sent me while the daylight lasts. Night is coming, when no one can do any work.

John 12:35

Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.

John 4:34

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

Galatians 6:10

So then whenever we have an opportunity, let us do good to all men, especially to those who belong to the family of the faith.

Luke 13:32-34

He said to them, "Go and say to that fox, 'Here I am, driving out demons and performing cures, today and tomorrow, and on the third day I will be through.

John 5:19

So Jesus answered them, "I tell you, the Son cannot do anything of his own accord, unless he sees the Father doing it. For whatever the Father does, the Son also does.

John 5:36

But I have higher testimony than John's, for the things that my Father has intrusted to me to accomplish, the very things that I am doing, are proof that my Father has sent me,

John 10:32

Jesus answered, "I have let you see many good things from the Father; which of them do you mean to stone me for?"

John 10:37

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

John 11:9-10

Jesus answered, "Is not the day twelve hours long? If a man travels by day he will not stumble, for he can see the light of this world;

John 17:4

I have done honor to you here on earth, by completing the work which you gave me to do.

Acts 4:20

for we cannot help telling of what we have seen and heard."

Ephesians 5:16

and make the most of your opportunity, for these are evil times.

Colossians 4:5

Use wisdom in dealing 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 doing the will of him who has sent me, and finishing his work.
John 5:19
So Jesus answered them, "I tell you, the Son cannot do anything of his own accord, unless he sees the Father doing it. For whatever the Father does, the Son also does.
John 10:32
Jesus answered, "I have let you see many good things from the Father; which of them do you mean to stone me for?"
John 17:4
I have done honor to you here on earth, by completing the work which you gave me to do.
Luke 13:32
He said to them, "Go and say to that fox, 'Here I am, driving out demons and performing cures, today and tomorrow, and on the third day I will be through.
Acts 4:20
for we cannot help telling of what we have seen and heard."

While

John 11:9
Jesus answered, "Is not the day twelve hours long? If a man travels by day he will not stumble, for he can see the light of this world;
John 12:35
Jesus said to them, "You will have the light only a little while longer. Go on while you still have the light, so that darkness may not overtake you, for those who go about in the dark do not know where they are going.
Ephesians 5:16
and make the most of your opportunity, for these are evil times.
Colossians 4:5
Use wisdom in dealing with outsiders, making the most of your opportunities.