1 Peter 2:1-3

Wherefore, laying aside all malice, and all guile and hypocrisies, and envyings, and all evil speaking;

1 John 2:18

Young children, it is the last period. And as you have heard that the antichrist comes, so, now, there are many antichrists; whence you know that it is the last period.

1 John 2:26

These things I have written to you, concerning them who deceive you;

1 John 4:1

Beloved, do not believe every spirit, but try the spirits, whether they be from God; because many false prophets are gone forth into the world.

2 John 1:7

for many deceivers are entered into the world, who do not confess Jesus Christ did come in the flesh. This is the deceiver, and the antichrist.

Revelation 12:9

And thus the great dragon was cast out; even the old serpent called the Devil, and Satan, who deceives the world, was cast out to the earth; and his angels were cast out with him.

Revelation 13:8

And all the inhabitants of the earth shall worship it, whose names are not written in the book of life of the Lamb, that was slain from the beginning of the world.

Revelation 20:3

and he cast him into the abyss, and shut him down, and set a seal upon him, that he might not deceive the nations any more, till the thousand years were accomplished; and then he must be loosed again for a little time.

Revelation 20:8

and he shall go forth to deceive the nations which are in the four corners of the earth. Gog and Magog, to gather them together for war; whose number is like the sand of the sea.

Treasury of Scripture Knowledge

Summary

And this I say, lest any man should beguile you with enticing words.

Bible References

Lest

1 Peter 2:1
Wherefore, laying aside all malice, and all guile and hypocrisies, and envyings, and all evil speaking;
1 John 2:18
Young children, it is the last period. And as you have heard that the antichrist comes, so, now, there are many antichrists; whence you know that it is the last period.
1 John 4:1
Beloved, do not believe every spirit, but try the spirits, whether they be from God; because many false prophets are gone forth into the world.
2 John 1:7
for many deceivers are entered into the world, who do not confess Jesus Christ did come in the flesh. This is the deceiver, and the antichrist.
Revelation 12:9
And thus the great dragon was cast out; even the old serpent called the Devil, and Satan, who deceives the world, was cast out to the earth; and his angels were cast out with him.
Revelation 13:8
And all the inhabitants of the earth shall worship it, whose names are not written in the book of life of the Lamb, that was slain from the beginning of the world.
Revelation 20:3
and he cast him into the abyss, and shut him down, and set a seal upon him, that he might not deceive the nations any more, till the thousand years were accomplished; and then he must be loosed again for a little time.