Revelation 13:5

A mouth was given to him speaking proud words and blasphemies. There was given to him authority to act for forty-two months.

Daniel 7:8

I considered the horns, and behold, there came up among them another horn, a little one, before which three of the first horns were plucked up by the roots. And behold, in this horn were eyes like the eyes of a man, and a mouth speaking arrogant things.

Daniel 7:11

I saw at that time because of the voice of the arrogant words which the horn spoke. I was watching until the animal was killed and its body destroyed and was given to be burned with fire.

Daniel 11:36

And the king shall do as he pleases. And he shall exalt and magnify himself above every god, and shall speak outrageous things against the God of gods. And he shall prosper until the indignation is accomplished; for that which is decreed shall be done.

Daniel 7:25

He shall speak words against the Most High, and shall oppress the holy ones of the Most High; and he shall think to change the times and the law; and they shall be given over to him until a time and times and half a time.

Revelation 12:6

The woman fled into the wilderness, where she has a place prepared by God, that there they may nourish her one thousand two hundred sixty days.

Daniel 7:20

And concerning the ten horns that were on its head, and the other horn which came up, and before which three fell, even that horn that had eyes, and a mouth that spoke arrogant things, whose look was larger than the others.

Revelation 11:2-3

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

Revelation 12:14

Two wings of the great eagle were given to the woman, that she might fly into the wilderness to her place, so that she might be nourished for a time, and times, and half a time, from the face of the serpent.

2 Thessalonians 2:4

he who opposes and exalts himself against all that is called God or that is worshiped; so that he sits in the temple of God, setting himself up as 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 given to him to make war with the saints, and to overcome them. Authority over every tribe, people, language, 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
I considered the horns, and behold, there came up among them another horn, a little one, before which three of the first horns were plucked up by the roots. And behold, in this horn were eyes like the eyes of a man, and a mouth speaking arrogant things.
Daniel 11:36
And the king shall do as he pleases. And he shall exalt and magnify himself above every god, and shall speak outrageous things against the God of gods. And he shall prosper until the indignation is accomplished; for that which is decreed shall be done.

And power

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

To continue

Revelation 13:7
It was given to him to make war with the saints, and to overcome them. Authority over every tribe, people, language, 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 heeds wicked lips. A liar gives ear to a mischievous 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 which proceed out of the mouth come out of the heart, and they defile the man.