Amos 5:13

So the wise will say nothing in that time; for it is an evil time.

Ecclesiastes 3:7

A time for undoing and a time for stitching; a time for keeping quiet and a time for talk;

Hosea 4:4

Let no man go to law or make protests, for your people are like those who go to law with a priest.

Micah 2:3

For this cause the Lord has said, See, against this family I am purposing an evil from which you will not be able to take your necks away, and you will be weighted down by it; for it is an evil time.

Ecclesiastes 9:12

Even man has no knowledge of his time; like fishes taken in an evil net, or like birds taken by deceit, are the sons of men taken in an evil time when it comes suddenly on them.

Isaiah 36:21

But they kept quiet and gave him no answer: for the king's order was, Give him no answer.

Isaiah 37:3

And they said to him, Hezekiah says, This day is a day of trouble and punishment and shame: for the children are ready to come to birth, but there is no strength to give birth to them.

Amos 6:10

And when a man's relation, even the one who is responsible for burning his body, lifting him up to take his bones out of the house, says to him who is in the inmost part of the house, Is there still anyone with you? and he says, No; then he will say, Keep quiet, for the name of the Lord may not be named.

Micah 7:5-7

Put no faith in a friend, do not let your hope be placed in a relation: keep watch on the doors of your mouth against her who is resting on your breast.

Habakkuk 3:16

Hearing it, my inner parts were moved, and my lips were shaking at the sound; my bones became feeble, and my steps were uncertain under me: I gave sounds of grief in the day of trouble, when his forces came up against the people in bands.

Zephaniah 2:2-3

Before the Lord sends you violently away in flight like the waste from the grain; before the burning wrath of the Lord comes on you, before the day of the Lord's wrath comes on you.

Matthew 27:12-14

But when the chief priests and those in authority made statements against him, he gave no answer.

Ephesians 5:15-16

Take care then how you are living, not as unwise, but as wise;

Ephesians 6:13

For this reason take up all the arms of God, so that you may be able to be strong in the evil day, and, having done all, to keep your place.

2 Timothy 3:1

But be certain of this, that in the last days times of trouble will come.

Treasury of Scripture Knowledge

Summary

Therefore the prudent shall keep silence in that time; for it is an evil time.

Bible References

An evil

Ecclesiastes 9:12
Even man has no knowledge of his time; like fishes taken in an evil net, or like birds taken by deceit, are the sons of men taken in an evil time when it comes suddenly on them.
Isaiah 37:3
And they said to him, Hezekiah says, This day is a day of trouble and punishment and shame: for the children are ready to come to birth, but there is no strength to give birth to them.
Micah 2:3
For this cause the Lord has said, See, against this family I am purposing an evil from which you will not be able to take your necks away, and you will be weighted down by it; for it is an evil time.
Habakkuk 3:16
Hearing it, my inner parts were moved, and my lips were shaking at the sound; my bones became feeble, and my steps were uncertain under me: I gave sounds of grief in the day of trouble, when his forces came up against the people in bands.
Zephaniah 2:2
Before the Lord sends you violently away in flight like the waste from the grain; before the burning wrath of the Lord comes on you, before the day of the Lord's wrath comes on you.
Ephesians 5:15
Take care then how you are living, not as unwise, but as wise;
Ephesians 6:13
For this reason take up all the arms of God, so that you may be able to be strong in the evil day, and, having done all, to keep your place.
2 Timothy 3:1
But be certain of this, that in the last days times of trouble will come.

General references

Job 32:16
And am I to go on waiting while they have nothing to say? while they keep quiet and give no more answers?
Proverbs 29:11
A foolish man lets out all his wrath, but a wise man keeps it back quietly.
Isaiah 36:21
But they kept quiet and gave him no answer: for the king's order was, Give him no answer.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain