Revelation 13:5

There was given to him a mouth speaking arrogant words and blasphemies, and authority to act for forty-two months was given to him.

Daniel 7:8

While I was contemplating the horns, behold, another horn, a little one, came up among them, and three of the first horns were pulled out by the roots before it; and behold, this horn possessed eyes like the eyes of a man and a mouth uttering great boasts.

Daniel 7:11

Then I kept looking because of the sound of the boastful words which the horn was speaking; I kept looking until the beast was slain, and its body was destroyed and given to the burning fire.

Daniel 11:36

“Then the king will do as he pleases, and he will exalt and magnify himself above every god and will speak monstrous things against the God of gods; and he will prosper until the indignation is finished, for that which is decreed will be done.

Daniel 7:25

He will speak out against the Most High and wear down the saints of the Highest One, and he will intend to make alterations in times and in law; and they will be given into his hand for a time, times, and half a time.

Revelation 12:6

Then the woman fled into the wilderness where she *had a place prepared by God, so that there she would be nourished for one thousand two hundred and sixty days.

Daniel 7:20

and the meaning of the ten horns that were on its head and the other horn which came up, and before which three of them fell, namely, that horn which had eyes and a mouth uttering great boasts and which was larger in appearance than its associates.

Revelation 11:2-3

Leave out the court which is outside the temple and do not measure it, for it has been given to the nations; and they will tread under foot the holy city for forty-two months.

Revelation 12:14

But the two wings of the great eagle were given to the woman, so that she could fly into the wilderness to her place, where she *was nourished for a time and times and half a time, from the presence of the serpent.

2 Thessalonians 2:4

who opposes and exalts himself above every so-called god or object of worship, so that he takes his seat in the temple of God, displaying himself as being God.

Revelation 11:7

When they have finished their testimony, the beast that comes up out of the abyss will make war with them, and overcome them and kill them.

Revelation 13:7

It was also given to him to make war with the saints and to overcome them, and authority over every tribe and people and tongue and nation was given to him.

Treasury of Scripture Knowledge

Summary

And there was given unto him a mouth speaking great things and blasphemies; and power was given unto him to continue forty and two months.

Bible References

A mouth

Daniel 7:8
While I was contemplating the horns, behold, another horn, a little one, came up among them, and three of the first horns were pulled out by the roots before it; and behold, this horn possessed eyes like the eyes of a man and a mouth uttering great boasts.
Daniel 11:36
“Then the king will do as he pleases, and he will exalt and magnify himself above every god and will speak monstrous things against the God of gods; and he will prosper until the indignation is finished, for that which is decreed will be done.

And power

Revelation 11:2
Leave out the court which is outside the temple and do not measure it, for it has been given to the nations; and they will tread under foot the holy city for forty-two months.
Revelation 12:6
Then the woman fled into the wilderness where she *had a place prepared by God, so that there she would be nourished for one thousand two hundred and sixty days.

To continue

Revelation 13:7
It was also given to him to make war with the saints and to overcome them, and authority over every tribe and people and tongue and nation was given to him.
Revelation 11:7
When they have finished their testimony, the beast that comes up out of the abyss will make war with them, and overcome them and kill them.

General references

Proverbs 17:4
An evildoer listens to wicked lips;
A liar pays attention to a destructive tongue.
Isaiah 36:14
Thus says the king, ‘Do not let Hezekiah deceive you, for he will not be able to deliver you;
Matthew 15:18
But the things that proceed out of the mouth come from the heart, and those defile the man.