Amos 5:13

Therefore is the wise at that time silent, For an evil time it is.

Ecclesiastes 3:7

A time to rend, And a time to sew. A time to be silent, And a time to speak.

Hosea 4:4

Only, let no one strive, nor reprove a man, And thy people are as those striving with a priest.

Micah 2:3

Therefore, thus said Jehovah: Lo, I am devising against this family evil, From which ye do not remove your necks, Nor walk loftily, for a time of evil it is.

Ecclesiastes 9:12

For even man knoweth not his time; as fish that are taken hold of by an evil net, and as birds that are taken hold of by a snare, like these are the sons of man snared at an evil time, when it falleth upon them suddenly.

Isaiah 36:21

And they keep silent, and have not answered him a word, for a command of the king is, saying, 'Do not answer him.'

Isaiah 37:3

and they say unto him, 'Thus said Hezekiah, A day of distress, and rebuke, and despising, is this day; for come have sons unto the birth, and power there is not to bear.

Amos 6:10

And lifted him up hath his loved one, even his burner, To bring forth the bones from the house, And he said to him who is in the sides of the house, 'Is there yet with thee?' And he said, 'None,' then he said, 'Hush! Save to make mention of the name of Jehovah.'

Micah 7:5-7

Believe not in a friend, trust not in a leader, From her who is lying in thy bosom keep the openings of thy mouth.

Habakkuk 3:16

I have heard, and my belly trembleth, At the noise have my lips quivered, Rottenness doth come into my bones, And in my place I do tremble, That I rest for a day of distress, At the coming up of the people, he overcometh it.

Zephaniah 2:2-3

Before the bringing forth of a statute, As chaff hath the day passed on, While yet not come in upon you doth the heat of the anger of Jehovah, While yet not come in upon you doth a day of the anger of Jehovah,

Matthew 27:12-14

And in his being accused by the chief priests and the elders, he did not answer any thing,

Ephesians 5:15-16

See, then, how exactly ye walk, not as unwise, but as wise,

Ephesians 6:13

because of this take ye up the whole armour of God, that ye may be able to resist in the day of the evil, and all things having done -- to stand.

2 Timothy 3:1

And this know thou, that in the last days there shall come perilous times,

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
For even man knoweth not his time; as fish that are taken hold of by an evil net, and as birds that are taken hold of by a snare, like these are the sons of man snared at an evil time, when it falleth upon them suddenly.
Isaiah 37:3
and they say unto him, 'Thus said Hezekiah, A day of distress, and rebuke, and despising, is this day; for come have sons unto the birth, and power there is not to bear.
Micah 2:3
Therefore, thus said Jehovah: Lo, I am devising against this family evil, From which ye do not remove your necks, Nor walk loftily, for a time of evil it is.
Habakkuk 3:16
I have heard, and my belly trembleth, At the noise have my lips quivered, Rottenness doth come into my bones, And in my place I do tremble, That I rest for a day of distress, At the coming up of the people, he overcometh it.
Zephaniah 2:2
Before the bringing forth of a statute, As chaff hath the day passed on, While yet not come in upon you doth the heat of the anger of Jehovah, While yet not come in upon you doth a day of the anger of Jehovah,
Ephesians 5:15
See, then, how exactly ye walk, not as unwise, but as wise,
Ephesians 6:13
because of this take ye up the whole armour of God, that ye may be able to resist in the day of the evil, and all things having done -- to stand.
2 Timothy 3:1
And this know thou, that in the last days there shall come perilous times,

General references

Job 32:16
And I have waited, but they do not speak, For they have stood still, They have not answered any more.)
Proverbs 29:11
A fool bringeth out all his mind, And the wise till afterwards restraineth it.
Isaiah 36:21
And they keep silent, and have not answered him a word, for a command of the king is, saying, 'Do not answer him.'