Revelation 13:5

And a mouth was given to him speaking great [things] and blasphemies, and authority to act was given to him [for] forty-two months.

Daniel 7:8

I was considering the horns, and look, another little horn came up {among} them, and three of the earlier horns {were rooted out} from before it, and there were eyes like the eyes of human in this horn and [also] a mouth [that was] speaking boastfully.

Daniel 7:11

"{I continued watching} then because of the noise of the boastful words of the horn [who was] speaking; {I continued watching} until the beast was slain and its body was destroyed, and it was given [over] to burning with fire.

Daniel 11:36

"Then the king will do {as he pleases}, and he will exalt himself and will consider himself above any god, and he will speak horrendous things {against} [the] God of gods, yet he will succeed until [the period] of anger is finished, for [what] is determined will be done.

Daniel 7:25

And he will speak words against the Most High, and he will wear out [the] holy ones of the Most High, and he will attempt to change times and law, and they will be given into his hand for a time and two times and half a time.

Revelation 12:6

And the woman fled into the wilderness, where she had a place prepared there by God, so that they could feed her there [for one] thousand two hundred sixty days.

Daniel 7:20

and concerning the horns that [were] on its head, and [concerning] [the] other [horn] that came up and {before which three horns fell}, and this horn {had eyes} and mouth speaking {boastfully}, and its appearance [was] larger than its companions.

Revelation 11:2-3

And leave out the courtyard outside of the temple, and do not measure it, because it has been given to the Gentiles, and they will trample the holy city [for] forty two months.

Revelation 12:14

And the two wings of a great eagle were given to the woman, in order that she could fly into the wilderness, to her place where she is fed there [for] a time, and times, and half a time, from the presence of the serpent.

2 Thessalonians 2:4

who opposes and who exalts himself over every so-called god or object of worship, so that he sits down in the temple of God, proclaiming that he himself is God.

Revelation 11:7

And when they have completed their testimony, the beast that comes up from the abyss will make war with them and will conquer them and will kill them.

Revelation 13:7

And it was given to him to make war with the saints and to conquer them. And authority was given to him over every tribe and people and language 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 was considering the horns, and look, another little horn came up {among} them, and three of the earlier horns {were rooted out} from before it, and there were eyes like the eyes of human in this horn and [also] a mouth [that was] speaking boastfully.
Daniel 11:36
"Then the king will do {as he pleases}, and he will exalt himself and will consider himself above any god, and he will speak horrendous things {against} [the] God of gods, yet he will succeed until [the period] of anger is finished, for [what] is determined will be done.

And power

Revelation 11:2
And leave out the courtyard outside of the temple, and do not measure it, because it has been given to the Gentiles, and they will trample the holy city [for] forty two months.
Revelation 12:6
And the woman fled into the wilderness, where she had a place prepared there by God, so that they could feed her there [for one] thousand two hundred sixty days.

To continue

Revelation 13:7
And it was given to him to make war with the saints and to conquer them. And authority was given to him over every tribe and people and language and nation.
Revelation 11:7
And when they have completed their testimony, the beast that comes up from the abyss will make war with them and will conquer them and will kill them.

General references

Proverbs 17:4
He who does evil listens to lips of wickedness, [and] the liar gives heed to the tongue of mischief.
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 come out of the mouth come from the heart, and these defile the person.