Revelation 13:5

And there was given to it a mouth, speaking great things and blasphemies; and there was given to it authority to pursue its career forty-two months.

Daniel 7:8

I considered the horns, and behold, there came up among them another, a little horn, 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 great things.

Daniel 7:11

I beheld therefore, because of the voice of the great words that the horn spoke; I beheld till the beast was slain, and its body destroyed, and it was given up to be burned with fire.

Daniel 11:36

And the king shall do according to his will; and he shall exalt himself, and magnify himself above every god, and speak monstrous things against the God of gods; and he shall prosper until the indignation be accomplished: for that which is determined shall be done.

Daniel 7:25

And he shall speak words against the Most High, and shall wear out the saints of the most high places, and think to change seasons and the law; and they shall be given into his hand until a time and times and a half time.

Revelation 12:6

And the woman fled into the wilderness, where she has there a place prepared of God, that they should nourish her there a thousand two hundred and sixty days.

Daniel 7:20

and concerning the ten horns that were in its head, and the other that came up, and before which three fell: even that horn that had eyes, and a mouth speaking great things, and whose look was more imposing than its fellows.

Revelation 11:2-3

And the court which is without the temple cast out, and measure it not; because it has been given up to the nations, and the holy city shall they tread under foot forty-two months.

Revelation 12:14

And there were given to the woman the two wings of the great eagle, that she might fly into the desert into her place, where she is nourished there a time, and times, and half a time, from the face of the serpent.

2 Thessalonians 2:4

who opposes and exalts himself on high against all called God, or object of veneration; so that he himself sits down in the temple of God, shewing himself that he is God.

Revelation 11:7

And when they shall have completed their testimony, the beast who comes up out of the abyss shall make war with them, and shall conquer them, and shall kill them:

Revelation 13:7

And there was given to it to make war with the saints, and to overcome them; and there was given to it authority over every tribe, and people, and tongue, and nation;

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, a little horn, 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 great things.
Daniel 11:36
And the king shall do according to his will; and he shall exalt himself, and magnify himself above every god, and speak monstrous things against the God of gods; and he shall prosper until the indignation be accomplished: for that which is determined shall be done.

And power

Revelation 11:2
And the court which is without the temple cast out, and measure it not; because it has been given up to the nations, and the holy city shall they tread under foot forty-two months.
Revelation 12:6
And the woman fled into the wilderness, where she has there a place prepared of God, that they should nourish her there a thousand two hundred and sixty days.

To continue

Revelation 13:7
And there was given to it to make war with the saints, and to overcome them; and there was given to it authority over every tribe, and people, and tongue, and nation;
Revelation 11:7
And when they shall have completed their testimony, the beast who comes up out of the abyss shall make war with them, and shall conquer them, and shall kill them:

General references

Proverbs 17:4
The evil-doer giveth heed to iniquitous lips; the liar giveth ear to a mischievous tongue.
Isaiah 36:14
Thus says the king: Let not Hezekiah deceive you; for he will not be able to deliver you.
Matthew 15:18
but the things which go forth out of the mouth come out of the heart, and those defile man.