John 9:4

We must do the work of him who sent me, while it is day; night is coming, when no one can work.

John 12:35

"Only a little while longer," answered Jesus, "will you have the Light among you. Travel on while you have the Light, so that darkness may not overtake you; he who travels in the darkness does not know where he is going.

John 4:34

"My food," replied Jesus, "is to do the will of him who sent me, and to complete his work.

Galatians 6:10

Therefore, I say, as the opportunity occurs, let us treat every one with kindness, and especially members of the Household of the Faith.

Luke 13:32-34

But Jesus answered: "Go and say to that fox 'Look you, I am driving out demons and shall be completing cures to-day and to- morrow, and on the third day I shall have done.'

John 5:19

So Jesus made this further reply: "In truth I tell you, the Son can do nothing of himself; he does only what he sees the Father doing; whatever the Father does, the Son does also.

John 5:36

But the testimony which I have is of greater weight than John's; for the work that the Father has given me to carry out-- the work that I am doing--is in itself proof that the Father has sent me as his Messenger.

John 10:32

And seeing this, Jesus said: "I have done before your eyes many good actions, inspired by the Father; for which of them would you stone me?"

John 10:37

If I am not doing the work that my Father is doing, do not believe me;

John 11:9-10

"Are not there twelve hours in the day?" answered Jesus. "If a man walks about in the day-time, he does not stumble, because he can see the light of the sun;

John 17:4

I have honored thee on earth by completing the work which thou has given me to do;

Acts 4:20

Judge for yourselves, for we cannot help speaking of what we have seen and heard."

Ephesians 5:16

Making the most of every opportunity; for these are evil days.

Colossians 4:5

Show tact in your behavior to the outside world, making the most of every opportunity.

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
"My food," replied Jesus, "is to do the will of him who sent me, and to complete his work.
John 5:19
So Jesus made this further reply: "In truth I tell you, the Son can do nothing of himself; he does only what he sees the Father doing; whatever the Father does, the Son does also.
John 10:32
And seeing this, Jesus said: "I have done before your eyes many good actions, inspired by the Father; for which of them would you stone me?"
John 17:4
I have honored thee on earth by completing the work which thou has given me to do;
Luke 13:32
But Jesus answered: "Go and say to that fox 'Look you, I am driving out demons and shall be completing cures to-day and to- morrow, and on the third day I shall have done.'
Acts 4:20
Judge for yourselves, for we cannot help speaking of what we have seen and heard."

While

John 11:9
"Are not there twelve hours in the day?" answered Jesus. "If a man walks about in the day-time, he does not stumble, because he can see the light of the sun;
John 12:35
"Only a little while longer," answered Jesus, "will you have the Light among you. Travel on while you have the Light, so that darkness may not overtake you; he who travels in the darkness does not know where he is going.
Ephesians 5:16
Making the most of every opportunity; for these are evil days.
Colossians 4:5
Show tact in your behavior to the outside world, making the most of every opportunity.